Mrs. Sidhu is a caterer with a taste for solving mysteries. Her sleuthing turns into an unofficial partnership with dour DCI Burton, who reluctantly accepts that together they make the perfect pairing to fight crime.

Detective Chief Inspector Tony Gates is an exemplary cop. He's got the best crime stats on the force and a loyal team working under him. But the head of the police anticorruption unit, Superintendent Ted Hastings, has his doubts about Gates. Is he really that good? And more importantly, is he really that clean? Hastings decides to find out and all on a new arrival to his department, Detective Sergeant Steven Arnott to help him do it. As the net tightens...