Liverpool 1

DC Isobel de Pauli is transferred to the vice squad at Bridewell, Liverpool 1. Her new partner, DC Mark Callaghan, is in court for the trial of drug dealer Mikey Sullivan. De Pauli and Callaghan follow up an incident where a man was thrown from a balcony, but the victim refuses to cooperate. The squad is called to a disturbance at a club owned by a major drug supplier.

DC Callaghan and de Pauli interview a convicted paedophile in connection with the disappearance of a young boy. Callaghan is appalled to learn that local drugs baron Sullivan has put money into his brothers new bar.

The vice squad investigates the murder of a prostitute. DCs Callaghan and de Pauli find their private lives dragged into the station.

DC Callaghan and de Pauli investigate the reported murder of a prostitute by her pimp

DC de Pauli and Acting DS McMullen go undercover at a club to uncover some drug dealers.

The squad investigates the source of a new batch of uncut heroin following four drug-related deaths in the city.