《谋杀计划》是一部优秀的悬疑,惊悚,黑色电影,恐怖题材影视作品，由约瑟夫·科顿,简·皮特斯,加里·梅里尔,凯萨琳·麦克劳德主演的。Whitney Cameronn (Cotten), a man with a strong affection for his sister-in-law (Peters). When one of her stepchildren dies, it's revealed that the child was poisoned to death. Whitney suspects his sister-in-law committed the murder and is afraid that her other son may be in danger. The film climaxes during an ocean voyage aboard a cruise ship.