One More Time: Chappel goes undercover on his toughest assignment, unearthing evidence of child pornography. Posing as a salesman, he takes lodgings with a man suspected of distributing porn. (S4 Ep3)
No Man's Land: Robinson earns promotion to Inspector and Chappel demands that he helps with one last case. A new member of the team gets dangerously close to her work seducing a suspect. (S4 Ep2)
Trade: Inspector Chappel tries to keep his head above water with the weight of a murder investigation as he's vying with a futures trader for the heart of a prostitute. (S4 Ep1)
Force of Nature: Chappel goes undercover in a prison for sex-offenders in an attempt to flush out the ringleaders of a prostitution racket thought to be pimping young women to inmates. (S3 Ep3)
Into the Night: During the trial of a prostitute accused of murder, Chappel becomes embroiled in justice when the prosecution barrister sets off on a course for self-destruction. (S3 Ep2)
Out of Mind: When Chappel runs into his former boss in a brothel, he unearths more than just painful memories. Past secrets threaten to destroy the Vice team and the love of his life. (S3 Ep1)
Lovesick Part 2: Sgt Joe Robinson has been suspended from the vice squad and kicked out by his wife. Feeling he has nothing else to lose, Joe ignores Chappel's advice to stay away. (S2 Ep8)
Lovesick Part 1: In a bizarre twist, Inspector Chappel is called to protect his former adversaries. But when the finger of suspicion points to his colleague Sgt Joe Robinson, problems arise. (S2 Ep7)
Betrayed Part 2: Brothel maid Julie is helping Chappel nail her sex-trafficking boss Harrison, who has been smuggling girls from the Balkans and forcing them into prostitution. (S2 Ep6)
Home is the Place Part 1: Inspector Chappel has to deal with young prostitutes from Sheffield when he picks up a teenage girl who has run away from a children's home. (S2 Ep1)
Dabbling Part 2: Vice squad officer Dougie tells an escort that he doesn't want to be just another client. His foolishness jeopardises the investigation and puts his fellow officer in danger. (S1 Ep6)
Sons Part 2: Cheryl is making slow progress in her bid to find the young boy who was involved in the porn film, but she believes his parents are hiding important information. (S1 Ep4)
Daughters Part 2: The team investigates an attack on a pimp's daughter. The envelope to convict her father is in her possession, will she use it? (S1 Ep2)
Daughters Part 1: The team have a pimp under surveillance, but fail to save one of his girls from being murdered. When his daughter hides the evidence, things get complicated. (S1 Ep1)