末路便器

　　In New York City, potent strands of bath salts have surfaced and have attracted the most devoted bath salt junkies. A young aspiring chemist has developed an even stronger batch... but something has gone horribly wrong.

保姆叶晓霖（万茜 饰）伪装进入老人家庭图谋行凶，因与饲养员马德勇（饶晓志 饰）的相遇打破了原有生活平衡，警察周平（屈楚萧 饰）在追查案件中与他们的命运交织。

性格内向的律师梅尔·戴尔得知她爱冒险的妹妹突然去世后感到悲痛欲绝。但当她前往收集姐姐的尸体时，她很快就怀疑有人谋杀。她可能是下一个。