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 brother's new bar.

DC de Pauli investigates a case of petty violence and is drawn into John Sullivan's gangland past.

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