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：大卫··布鲁班德 Adam R. Brown Ryan Conrath Kevin Lawrence Mike Lawrence David Littleton Ruth Lolla 钱德勒马尼斯 Joey Maron 鲁比·麦考利斯特 Maureen McGowan Alex McKelvey Lucy McMichael Wicky Mendoza 香农·帕特里夏·奥尼尔 Chet Siegel