Drama series featuring an eccentric group of ex-police officers brought out of retirement to investigate unsolved crimes. As Brian Lane struggles to control and conceal his desire to drink again, he finds the perfect refuge in a commune at the centre of the team's investigation into the death of a university student. The case also helps Gerry face up to his relationship with Emily, who has not spoken to him since she discovered the truth about the DNA test at Ricky Hanson's trial.