When the battered body of a French student is found on Twickenham Green in London, hardworking and humble DCI Colin Sutton is appointed the lead detective on his first big case. Despite objections from his superiors, Sutton believes the young woman's murder may be connected to a previous attack and embarks on a quest to catch a serial killer. Realistically portraying the ins and outs of police investigations, it tells the story of one detective's...

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...