While she remains a suspect in the Lynn Dewhurst investigation, Catherine focuses on a human trafficking case.

Following a successful police raid, Catherine ensures all the women are taken to safe houses. Ilinka, who has vital information on those behind the trafficking, is given refuge with Catherine's neighbour Winnie and reluctantly agrees to speak to the police. But has Catherine inadvertently put her in danger?

As Vicky's threats continue, John struggles to get a handle on the murder case. Feeling under pressure at work and at home he takes drastic measures to save both his marriage and reputation.

When Tommy is granted special leave to attend his mother's funeral, Catherine has an inexplicable compulsion to attend - bringing her face to face with him once more. Meanwhile Clare, feeling vulnerable at Helen's funeral, turns to an old friend for comfort.

A local sex worker is attacked and it doesn't take long for Catherine to put two and two together and to arrest a well-known local. As the anniversary of Becky's death coming up, Clare and Daniel help Catherine pull together to give Ryan a happy birthday. Ryan receives a gift from an anonymous sender, all celebrations are cut short and a rift between him and Catherine is soon exposed. Clare is troubled when she learns about Neil's past relationships. Darryl confronts the sheep rustlers from the estate.