DCI Cassie Stuart and DS Sunny Khan investigate when a skeleton is found beneath a derelict house. A set of car keys lead the pair on a trail to identify the victim, and they find a diary of a young man missing since 1976. UK Edition.

After identifying the body as Jimmy Sullivan, the hunt for his murderer begins. Cassie and Sunny identify 'Frankie C' as Sir Phillip Cross -- a government czar; and 'Beth' is Lizzie Wilton, who also denies knowing Jimmy. UK Edition.

Cassie and Sunny visit Father Robert Greaves, who remembers Jimmy, but can't identify 'Jo-Jo', who gave Jimmy the diary. The investigation also leads to Eric Slater, who used to work at the hostel where Jimmy had once lived. UK Edition.

With the details of Gerry Cooper’s life becoming clearer and one suspect already being questioned, the Bishop Street team find suspects further afield. And if Mel and Asif have nothing to hide, why do they claim not to remember Gerry?

Sir Phillip Cross makes a tough decision to protect his family and salvage what is left of his reputation. Ray finds Lizzie gone and a note that reads "I'm sorry" and Father Robert comes clean to his family and the police. UK Edition.

Father Robert's revelations have lasting repercussions. Bella and Josh deliberate over how best to deal with their father and the search for Lizzie continues. Maureen is finally able to lay Jimmy to rest. UK Edition.