A cruelly displayed corpse leads Met Police murder squad detectives to questionable decisions and concern over a deeper mystery of who had it in for an MP's son.
Disturbing secrets are exposed about a man struck down on his stag night, and Billie is tempted to act rashly.
Detectives discover a man murdered on his houseboat was having an affair with his best friend's wife.
After a dead woman is found in a river, detectives track the suspect through a dating site only to find he might have shot himself.
With Billie stabbed and her attacker on the loose, Vivienne blames herself for not recognising that Billie was in danger.
Grisly remains reveal year-old sins of student housemates.
Hugo Speer
DI David Bradford
Sharon Small
DS Vivienne Cole
Bailey Patrick
DC Rob Brady
Tori Allen-Martin
TDC Billie Fitzgerald
Craig Pickles
Director
