Mark Saber receives three photographs from a dying man and with the help of Barney O'Keefe must link the three people in the pictures to the murder.

When a bookkeeper suddenly disappears, his wife gets Mark Saber to investigate and he discovers that there is more to the crime than meets the eye.

A stockbroker asks for Saber's help when a large number of counterfeit £5 notes are discovered and their only lead is murdered. They finally catch a break when Dolly Day is caught spending £300 in counterfeit money in a shop.

Mark Saber investigates a crooked fight manager after meeting the wife of a boxer who became a victim in the scheme.

Maxine, co-owner of Henri's Beauty Saloon has been beset with a number accidents that is ruining their reputation. Mark Saber is called in to find out who is sabotaging the salon but soon realises this is a job for Judy.

Invalid Miriam Boothe is convinced that her relatives are trying to murder her. She believes she has no choice but to telephone Mark Saber for help. Their meeting doesn't go well but when he discovers she is dead he investigates.

Miss Emma Krol begs for Mark Saber's help. During World War Two, she worked as an undercover agent with Ernst Lomak, and now he has been murdered. She suspects it's an American who is connected to her boss Mr Hillyer.

Lacey, a theatre manager asks Mark Saber to act as a middleman and pay Ritchie Bonsell a £1,000 to leave the country. Bonsell, a former employee, has just served three years in jail for manslaughter. Next day, Lacey is found murdered.

Lawyer Mr Farrell was in charge of Mrs Wright's finances. She had been in hospital for two weeks and he is shocked she died. The police believe this is suicide but Farrell is concerned about her dying after her relatives had visited.

A man prone to sudden blackouts visits the apartment of his wife's first husband in a fit of rage after learning she is being blackmailed by the man. While there he blacks out and then awakes to discover the man dead.

Gwen Lawrence turns up for a job as secretary, with Mark Saber. She changes her mind but has stolen the Dirk Ewing folder. Now going under the name of Richard Osbourne he is murdered attempting to give himself up.

Writer Tony Latham's wife Nancy is murdered and the police haven't arrested janitor Anton Turek. He wants Mark Saber to help but author Oliver Moon demands he returns to work. Latham writes the books but Moon takes the credit.

A British industrialist calls in detective Mark Saber to locate his missing wife.

Mark Saber is called upon to investigate the successful burglary of a bank that "couldn't be robbed." Saber has one clue to go on - the chance remark of a security guard.

A crowded train leads to Albert Bishop picking up the wrong suitcase. Opening it up he finds a blood stained knife. He contacts Mark Saber when he hears that jeweler Brian Miller's mutilated body has been found by train tracks.

Head of the Superior Insurance, William Heatherton contacts Mark Saber to recover the Fairchild Diamond worth £75,000. Unfortunately for Heatherton he as fallen for former jailbird Dinah Adair and is taken it for her.

Ray Gerard sweeps spinster Emma Pine off her feet with and promises of marriage. Once alone he murder's her for her money. However Gerard's bank manager boss calls in Mark Saber when he starts living beyond his means.

Tony Hollister contacts Saber asking him to have a rare bottle of brandy tested for poison. It was sent to him by his cousin Angela, who is desperate for cash. However the bottle was stolen again and the man who is stole it dies.

A murderous thief forces his way into an elderly woman's home and holds her captive. A suspicious neighbor calls Mark Saber to investigate.

10-year-old Peggy asks Mark Saber to help her catch a spy. Her father, Philip Carstairs works for the Government and Peggy has seen her step-mother Stephanie looking at his secret work and now plans to send her away to school.

Australian John Wilton asks Mark Saber for help telling him that his father told him, on his death bed, that Wilton was not is real name. If he came to England he would be a rich man but the secret is locked in a bank vault

Mark Saber catches thug Freddie Keppel just after he shoots blackmail victim Tom Wright. When he dies, he is the key witness at the trial but faces retribution Keppel's from his gangland boss Chris. Saber sets up a trap to catch him.

Paper manufacturer Mr Wilson discovers his safe has been broken into but doesn't want to call the police. His secretary Miss Perry goes to Mark Saber because she saw there was at least £10,000. Safe breaker Mac discovers it's all fake.

Financier Oscar Brand sends his colleague Ferris, to France, find and eliminate black market rival Verner Sharpe. Drawing a blank they ask Mark Saber to find Sharpe under the guise of paying back a debt to an old friend.

Tony Preem and his lover Anita Rodock murder her husband John so they can be together. Preem hides the body in an ancient tomb, replacing the original one and burying it in a field, Mark Saber happens to be on hand when it's found.

Mark Saber is shocked by the apparent suicide of his friend, Peter Kenyon who was found at the bottom of a cliff. Saber is even more surprised when Kenyon's secretary Miss Barnes comes to see him, claiming he was murdered.

Mark Saber is on a fishing holiday when chamber maid Rosie Temple begs for his help. Her son Dan has been arrested for the murder of Norma Farrington. Farrington's is the town's biggest employer and she fears he won't get a fair trial.

Mac has just been released from jail and intends to retrieve the Ormby Diamonds which he hid before his arrest. Marc Saber is hoping to get the insurance on the diamonds but notices Mac no longer knows where they are.

When Tony Inglis discovers his Uncle Walter has left his money to his cousin Johnny Clark he pays a visit. The pair argue and Johnny is murdered. Tony makes it as a suicide but his fiancee Sally begs Mark Saber to find the truth.

A difficult case of blackmail appears closed to Mark Saber when a victim is found drowned in her swimming pool. The evidence points to murder.

Gangster Sheik Babson beloved Bentley gets hi-jacked by rival Dizzy Wilcox. When his associate Bang Bang Trout brings it back the car is scratched. Next day Wilcox and Babson are found murdered. Saber thinks he has the answer.

While waiting for his train to arrive, crime fan the Bishop of Tricester over hears a hit being planned and decides to follow the man. His secretary Prinn desperately rings up Mark Saber for help but arrives too late to stop the murder.

Tommy Wilson is set up by girlfriend Jean Tracy and Vince Gibbons to take the fall for the murder of Gibbons photographer brother Paul. Mark Saber is asked to help and starts to believe Wilson's not telling truth about Jean Tracy.

Mark Saber does not usually respond to threats, but when an unknown woman phones him and threatens to commit suicide unless he calls round within half an hour, he feels it is his duty to act. She takes Stevie hostage and gives Saber three hours to find her friend or she will kill Stevie.

Captain Edge reports, to the police, two men disposing a body on the sea bank. When the body can't be found his granddaughter asks Mark Saber for help. Saber and assistant Paul Paulson find the body and believe the suspects are locals.

Texan Mr. Dugan, asks Mark Saber for help, when he is cheated out of £4,000, when he bought a fake painting by Ambroise Martin. To prove art dealer Guthrie is selling fakes Pete Paulson goes under cover as a rich American.

Ray Prentice has a shadow on the lung and has just three months to live. With an insurance policy about run out without a medical, he decides get a hit-man to kill him. When he learns the doctor made an error he needs Mark Saber's help.

A millionaire comes to Mark asking him to find out who he is - his memories date back only to his time in the Second World War, and before that his memory is a complete blank. Someone is blackmailing him.

An argument over a priceless stamp turns to murder when a stamp dealer is found dead in his office. A rival collector is accused of the crime and the theft of the rare stamp. But when he arrives at Saber's office asking for help to clear his name, Saber must determine if he is helping an innocent man being played for a fool.

Colonel March asks Mark Saber for help. His friend Major Beanie is wheelchair bound and not been seen four days. His niece Marsha has vanished. Saber learns Marsha is a big spender and soon caught trying to forge her uncle's cheque.

Following a car crash, that killed three friends, Julie Forbes' father sends her on a sea voyage to Naples. During the trip, Julie appears to be going mad when she claims to see a man murdered. Nobody believes her except for Mark Saber.

Evidence shows that the fire at a large hospital started in a locked storeroom. Three trusted staff members had keys. Is one of them an arsonist with a grudge?

Accountant Roger Shore asks Mark Saber for help when his 8-year-old son Peter has been kidnapped. He is told to pay £1,000 but misses his contact. Saber stands in but discovers it is Shore making the calls and there is no kidnapping.

George Peters leaves a trunk in an exclusive London hotel. When the maid opens the trunk she finds a dead body. Fearing bad publicity the hotel asks Mark Saber for help. He learns Harry Quinn has gone missing and his bank account emptied.

In an audacious daylight robbery an £8000 payroll is stolen from the Diamond Manufacturing Company. When notes taken from the heist begin to appear in circulation and two of the alleged robbers turn up dead, Saber must act quickly before anyone else is murdered.

John Bellville rings Mark Saber but falls unconscious. Saber finds Kitty Bellville dead and John fighting for his life following arsenic poisoning. Harrison Kane comes forward to say he give them the wine. Saber must find the truth.

Wells is accused by Mr. Rodney of fiddling the books. He has to the owner Mr. Westcott returns to get the money. Later that day he finds John Brading dying in the street and decides to take his identity unaware he is a wanted murderer.

Kathy Lansing dies in a car crash. She had a large diamond set in a cheap jewelry. The police think she may part of a smuggling ring alongside fiancee Tom Weeks. Saber knows her sister Jean so he speaks to Weeks but he is also murdered.

Petra Tomulkin is set for a secret meeting with her father but he is kidnapped in an Uranium embassy car. Mark Saber needs save Professor Franz Tomulkin but has to find a way inside the embassy before they torture him to death.

Tim Shute loans his flat to his friend Fred Bassett, who is using it for an all night poker game. When Shute returns home he finds Bassett has been stabbed to death. Instead of going to the police his asks Mark Saber to find the murderer.

Mr. Poole asks Mark Saber to help his wife while he is on a trip to Paris. She has been diagnosed with a terminal illness and he fears she make commit suicide. When Saber arrives at their flat she is dead but it soon looks very suspicious.

Two thugs badly beat up Mark Saber and warn him off the Pickard Case. Saber has never heard the name. The police tell him Amy Pickard has committed suicide. Next day, Jean Pickard visits Saber and asks him to solve her sister murder.

An escaped murderer persuades a young boy to get him clothes and food. But when the child's father discovers the items are missing, he calls Mark Saber.

Freddy Benson steals diamonds smuggled in from Amsterdam and leaves the courier for dead. The courier reaches former Sir George Royston but dies. Royston has been in prison so decides to ask Mark Saber for help rather than the police.

John Perry is arrested for the murder of Howard Armstrong. He is engaged to his niece Julia, who asks Mark Saber for help. Housekeeper Mrs. Frost worships Armstrong and wants Perry to hang. She later admits Armstrong committed suicide.

Mrs. Kraft finds the body of Mrs Ridley, the companion to neighbour Mrs. Verity. Mark Saber learns Mrs. Verity has just died and Mrs. Ridley was set to be the main beneficiary. Mrs. Verity's family are now jockeying over who benefits most.

Sylvia suspects that her mother's second husband, Count Dariani, is up to no good. She engages Mark Saber, who solves the mystery with a bottle of champagne.

Sir Thomas Winters begs Mark Saber for help. He says he is haunted by the Curse of Eye Halwara and claim he has actually seen it. His family believe he's going out of his mind. Saber learns that the family will all benefit from his death.

Joe Kelly meets Kathleen Grant to ask about his fiancee Jane's suicide. He believes that Jane's father, Uncle William is lying and asks Mark Saber to get to the truth. He learns that Kathleen has now inherited Jane's money worth £100,000.

Frank gambles heavily to impress a girl. But he loses all his money, and puts her life in danger. As a result, Mark Saber is engaged to save her.

A caretaker, Dumphy throws a brick at a thief running away. The thief is dead but only has a lighting fixture on him. The dead man's is Albert Taff, a bank guard who suddenly quit. Mark Saber learns lighting fixture is made of platinum.

Fred Winchell has just been released from prison. Tom Brent offers him the chance earn £50,000. All he has to do is give Tom and his wife an alibi when he leaves to murders his aunt. The local inspector is foxed and asks Mark Saber help.

A young London policeman asks detective Mark Saber to assist him in clearing his name when Scotland Yard suspects him of complicity in a series of robberies.

Mr. Shaw is an house builder who has been hit by a string of arson's. He fell out with the fire service and asks Mark Saber to find the culprit. Mrs. Walston was sacked from Shaw's and she told her son Chester, who set fires in revenge.

The trainer of a prizefighter asks Mark Saber to investigate when his fighter walks out before a championship bout.

Amy Kubrick visits London to see the editor of the Daily Echo. They printed a picture of a man she recognised. He is Mason Crowder and later confronts him. Next day she is found strangled. The editor recognises her and tells Mark Saber.

A young jockey who brings in the first winner for a hard-luck racing stable disappears after his victory. The stable owner's daughter asks Mark Saber to investigate.

An elderly lady visits Mark Saber, because she believes her house is haunted. He agrees to take the case, and to spend the night at the property.

A sultan discovers that a diamond delivered to him by a jewelry salesman is fake and Mark Saber is hired by an insurance company to investigate the switch.

Sir Robert Quinlan hires detective Mark Saber to find a blackmailer. Saber becomes suspicious when he discovers that the blackmailer has not approached Sir Robert, but his wife, Lady Quinlan.

A young boxer wishes to give up the fight game, but vested interests stand to lose a lot of money if he walks away, and doesn't become the champion.

An elderly woman informs Mark Saber that her son's life is threatened by a young actress. The young man ridicules the idea that anyone is trying to kill him, but while he is being questioned by Saber, someone takes a shot at him.

Susy Wilmot and her friend Betty are on a touring holiday, in the West Country. They are unaware someone is watching. Her father, Fred gets an anonymous call demanding £10,000, in the next 24 hours. He agrees but asks Mark Saber to help.

Businessman John Adams wife Stella has weaponised her heart attack to be spiteful. Adams is meeting actress Betsy Linton. His designer Lynch, wants him to let him out of of his royalties deal. When Adams is shot, Betsy needs Mark Saber.

Mari Carmen asks Mark Saber to find her guitarist boyfriend, Antonio Peron, who has vanished. Saber learns a dead body was found by workers moving crates, at the dock. The body is unrecogisable but Saberis sure his boss, Gujaro is lying.

Mark Saber is employed by an insurance company to investigate a series of fires plaguing the warehouses owned by Roy Burgess.

An elderly employee of a jewelry firm carrying a bag of diamonds stops in at a roadside restaurant for a cup of coffee and disappears. Convinced that he is not a thief, his daughter appeals to Mark Saber to find him and prove his innocence.

Gang member wants out and is beaten to death for it. When the case goes cold after a month, Sabre gets the job.

Ross the Jewellers received an uncut diamond from Wainwrights worth £50,000. They polished it and courier, Jessica Roberts was taking it to Jonathan French to be cut. A car pulls up and a man steals the diamond. Mark Saber is called in.

When a new bride feels uneasy in her husband's home, he confesses that this place holds unhappy memories of his first wife. Later, the man is found dead.

Sam Hawtrey falls down a flight of stairs leaving him paralised. Acme Insurance Company believe he is faking but are willing to pay £2,000 in good faith. Hawtrey turns the offer down so Acme boss Mr. Robinson calls Mark Saber to find out.

American Kim Muller arrives in Britain to work for lecturer Mr. Harding. She finds his dead body but knocked unconscious. No body is found and his housekeeper says he is in Scotland. Mark Saber offers to help when Harding is found shot.

The body of Dora Daine is discovered, by the police. This is the third murder of it's kind and is known as the "Full Moon Murders". The suspect "John Smith" has many alias's. Ann learns he is now in Brighton using the name Captain Brigham.

William Pelham, the accountant for Inter Dominion Builders jumps to his death. It's called suicide and his family will get nothing, once his gambling debts are paid. Mark Saber believes it's murder and sets a trap to smoke out the killer.

After a man aggressively bargains for a uninteresting jewel case, Mark Spencer must find out the significance of the jewel cases after an antiques dealer is found dead.

When Irene Saunders' husband is killed by a hit-and-run driver, there is an obvious suspect - too obvious for Mark Saber.

Michael Gerard is selling forgeries and getting Jim Peters to paint them. When Peters disappears his wife contacts Mark Saber for help. Gerard is planning to steal the Madonna from the Grosvenor Art Gallery and replace it with Peters copy.

Martin Haigh is struggling to come to terms with the death of his wife in a plane crash and is fixated with survivor Capt. Glen Ramsey. When Ramsey returns home, he discovers his room wrecked and his dog killed. Mark Saber is called in.