DC Callaghan and de Pauli investigate the reported murder of a prostitute by her pimp
DCs de Pauli and Callaghan investigate a music teacher accused of child abuse by an 11-year-old pupil.
DC de Pauli and Acting DS McMullen go undercover at a club to uncover some drug dealers.
A fresh supply of uncut heroin has hit the streets, but the squad is told to raid a massage parlour.