The Vice

In the wake of Inspector Chappel's last investigation, Chief Inspector Frank Vickers has been drafted into the vice unit to turn its fortunes around with a much-vaunted zero-tolerance campaign.

Joe is attempting to nail a violent pimp when the mother of a young prostitute recognizes Vickers and threatens to expose their lurid past unless the pimp is put away.

Investigating an amusement arcade manager suspected of renting out young runaway boys, Adam is drawn into an alarming and unfamiliar world when mistaken for a shy john.

The ambitious manager of a pole-dancing club suspects her uncle of using it to run a prostitution racket. Joe sends Vickers undercover to investigate but begins to imagine his boss is colluding with the suspect.

After a prostitute is murdered, Joe offers the serious crime squad assistance on its investigation. Joe is ready to kick Kirsty out of vice but is persuaded otherwise by Vickers.

With Vickers and Kirsty away, Joe sends his team against a reviled club owner suspected of encouraging drug dealing, only to find that the club is a base for human trafficking.

Scandal looms over the team when Lorraine's dangerous obsession with a known pimp is discovered. Although Vickers and Joe both stand to lose if the affair is made public, Vickers exposes his own corruption.