Bill Hixon arrives in Boston to take up the position of Chief Constable with East Lincolnshire police – but his first day is far from routine when the head of a teenage girl who disappeared several years previously is found in the freezer of a local nut job. Bill seizes the chance to take on one of the force's most notorious unsolved cases, and befriends the girl's mother, Angie (Susan Lynch), as the investigation into her death gets underway.
