Gemma's perfect life comes crashing down when her devoted husband is arrested for murder. As Gemma learns to navigate the prison system, she meets a group of women who will become increasingly important as she starts to think the unthinkable; could her husband be a murderer?

Francesca's life is thrown into turmoil when her assets are seized and the bailiffs take everything. Going from riches to rags, and with the arrival of a new man on the scene, how will Francesca cope? Meanwhile, Gemma promises to stand by her man, but how far will she go to help her murdering husband?

Harriet is devastated when she realises Gavin is the victim of prison bullying.

Gemma discovers that Andy has been released on bail.

When Francesca finds herself at the heart of a gangland turf-war, how far will she go to protect her family? Meanwhile, Kim's world implodes when her innocent husband is sent to prison, Aisling is exasperated that her hapless dad is back inside, and prisoner's mum Harriet is looking for love.

As Kim fights for justice and tries to clear her husband's name, her past secrets come back to haunt her. Meanwhile, Francesca starts money laundering, Harriet tries to take her relationship with prison chaplain Ian up a gear, and Aisling has to decide whether to forgive her father - again.

Francesca's attempts to take the moral high ground with her drug-dealing son backfire as she struggles to keep her own criminal activity under wraps. Meanwhile, Aisling faces some devastating news about her father, Harriet's relationship provokes an explosive reaction in Gavin and Kim's life starts to unravel.

Francesca is powerless to help when her family become the target of gangland retribution, with tragic consequences. Meanwhile, Kim tries to rebuild her marriage, grief-stricken Aisling has to make a tough choice about her future, and will Harriet ever be able to forgive Gavin?