In series eight, Frost is irritated by the arrival of Detective Sergeant Reid who's been seconded to Denton due to a string of personal and professional problems. The unlikely duo find themselves working together when a woman's body is discovered on a railway line and a gruesome murder investigation ensues. At the local hospital, a highly skilled and ambitious surgeon Helena Gibson is reported missing. There's no reason to suspect foul play until Frost's investigations prove otherwise. To add to his troubles, Frost's reputation is at stake when an impostor impersonating the maverick detective is thought to be harassing women in Denton. Also, there's a shock in store for Frost when a nervous young woman turns up on his doorstep with some startling news from his past. Starring David Jason as DI Jack Frost.