Jim Carver wakes up to find himself in bed lying next to the dead body of Clare Sullivan, an aged prostitute. He is utterly distraught, and, not knowing what to do, he takes JohnJo's clothes and leaves the scene.

Vicky Hagen and Reg Hollis discover the body while searching for Jim. Jim's warrant card is found at the scene, and Jim's tie is around Clare's neck. Ex-Sun Hill DCI Frank Burnside is assigned to the case - something he does not relish as he is also Jim Carver's best friend.

Jim meanwhile, is suicidal, considering throwing himself in the Thames, and then falling at the knees of a priest, confessing to his ""crime"".

Eventually he finds himself eating a discarded pizza from a skip. He takes a swig from a bottle of wine, then catches a glimpse of his reflection. He regards his reflection for a moment, shaking his head - then tips the rest of the wine away.

Frank eventually locates Jim at a hostel. He is arrested on suspicion of murder and taken back to Sun Hill.

The operation appears to be in jeopardy again when Petrit declares that he is going in search of his missing sister. Following a lead from a girl at a café, he and Carver visit a pool hall, but have no joy with the doorman. Page meets up with Cullen to give him an update, and tells him that she is convinced that they are being set up for extortion by Berisha. Her suspicions are later confirmed when Berisha presents Quinnan with a bill for excess staff. Initially, he refuses to pay, until Berisha starts to strangle him, watched by a helpless Webb and Lennox. A determined Petrit plans to return as a punter to the pool hall where his sister may be, which is identified as a brothel.

Accompanied by Hollis, Petrit manages to locate his sister Nicola, who has been working as a prostitute for Berisha. Her colleagues at the brothel rumble them when Petrit refuses to leave his sister, forcing Hollis to blow his cover and call in his colleagues to raid the place. As Quinnan and Page try to save the operation, they find their old passion reviving as they settle into their roles as a husband and wife. Stamp is furious to discover CID have a camera in Quinnan and Page's bedroom, but his shock is compounded by seeing them in a passionate clinch. Quinnan receives a life changing offer, and he stuns Page with a massive offer.