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.