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：乔茜·朱丽叶特·沃特 Kellan Jackson Lacey Katena Michael Mau 邦妮·布鲁尔 Zach Ball Ashley Nicole Blake Haley Johnson 妮可·凯茨 Cullen Lovelock Kevin J. Stone Clarence Garner 贝内特·韦尔奇 Will Landis Cate Whitlatch