The ABC Murders (2018)

6.5 | Dec 26, 2018 (GB) | Crime, Drama, Mystery

https://www.bbc.co.uk/programmes/b0bxbvtl

based on novel or book belgium world war i serial killer mysterious letter 1930s

There is a code. The code is me.

1933. Hercule Poirot, older and greyer, receives letters threatening murder. The sender signs themselves only as “A.B.C.” When he takes the letters to the police looking for help, Hercule finds all his old friends have moved on. But soon there is a murder and the once-great detective must take matters into his own hands.

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