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When Catherine discovers the remains of a murder victim, it bizarrely leads her straight back to Tommy Lee Royce.

Catherine learns of a painful betrayal close to home, and Faisal comes under increasing pressure from all sides.

Catherine confronts Clare and presents Ryan with an ultimatum. Faisal and Joanna hatch a plan that takes an unexpected turn.

As Tommy’s big day approaches, Catherine becomes suspicious, and Ryan finds a new way to defy her.

Catherine races to protect her family as a murder investigation begins.

Scores are settled for good on Catherine’s final shift, and Ryan faces a moral dilemma.