When Chappel finds a young girl working as a prostitute in Soho, he attempts to uncover her identity.

When Chappel suspects the involvement of one of the staff members at the home, he encounters a frightening chain of events.

The Vice team are tasked with investigating an illegal gambling and prostitution ring being operated from out of a pub.

While Chappel and Cheryl investigate the gambling operation at The Jupiter nightclub, Joe gets into hot water with one of the club's working girls.

When the team raid a brothel being operated as a massage parlor, they discover that the young female employees have been smuggled into the country from refugee camps in Eastern Europe.

Chappel assigns Joe Robinson to the case, unaware that the girl is actually harboring feelings for Joe.

With Joe's increasing tendency for violence and aggression, it seems to make him the prime suspect, but Chappel thinks otherwise and sets out to find who the real killer is.