苏姗是个美丽能干的护士，在她仰慕的医生史瓦森自杀后，前往精神科大夫盖里医师的疗养院应征护士工作，不料却被当成病人关在医院无法脱身 ....在绝望中，她无意中发现原来真正的盖里医生和他的职员都已被杀，目前的医护人员已由病患顶替，而她的生命也危在旦夕...Pursuing a new job after the shattering suicide of her friend and employer, a nurse applies at Dr. Quilly's world renowned facility. The discovery that the 'routine forms' she signed are actually her own commitment papers is just the beginning of a nightmare of confinement, delusion and murder.
