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.
演员：海登·克里斯滕森 杰西卡·阿尔芭 泰伦斯·霍华德 莉娜·奥琳 克里斯托弗·麦克唐纳 山姆·洛巴兹 艾利斯·霍华德 费舍·史蒂芬斯 乔治娜·查普曼 大卫·哈伯 丹尼斯·欧哈拉 普娜·贾甘纳坦 王李 Steven Hinkle 查理·海森 Court Young Joseph Costa Jeffrey Fierson 约书亚·罗林斯 Ross Klavan