Det. Sgt. Markham is accused of taking a bribe. Meanwhile, Clark's lover, W.P.C. Jenny Dean, is under pressure over her part in the Michael Carswell affair.
Quest roles:
Jerome Flynn(Detective Sergeant Eddie Hargreaves), Rupert Holliday-Evans, Ian Barritt, James Gaddas, Andrew Tiernan, Kenneth Cranham, Geoffrey Whitehead, Anthony May