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.
