《健身谋杀案》是兰尼·雷执导的恐怖片电影，约翰·奈特斯,简·怀马克,劳拉·霍沃德,内尔·德贞等明星强势加盟参演Barnaby accompanies Joyce on a spa weekend to Swavely Manor. But as he attempts to de-stress, a woman is found dead in the floatation chamber. Abandoning the treatments to investigate, Barnaby uncovers a feud between neighbours, money wrangles and the mystery of a half-written novel. Then theres another death. But his personal worries are never far from the surface.