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 m**der and is afraid that her other son may *e in ****er. The film climaxesWhitney 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 m**der and is afraid that her other son may *e in ****er. The film climaxes d**ing an ocean voyage a*oard a cruise ship.详情