BAFTA Award-winning actor Martin Clunes (Doc Martin, Men Behaving Badly) "is a revelation" (The Telegraph, UK) in this chilling mystery based on true events that rocked Britain. When the battered body of a French student is found on Twickenham Green in London, hardworking and humble DCI Colin Sutton (Clunes) is appointed the lead detective on his first big case. After connecting the young woman's murder to a previous attack, Sutton embarks on a quest to catch a serial killer.