内容介绍
Whitney Cameronn (Cotten), a man with deep affection for his sister-in-law, is shocked to learn that one of her stepchildren has been poisoned and killed. As he investigates the circumstances surrounding the death, it becomes clear that the child was not an accidental victim.
Whitney suspects his sister-in-law of being involved in the murder and fears for the safety of her other son, whom he believes may be in danger. The film culminates during a thrilling ocean voyage on a cruise ship, where Whitney must navigate the complex web of lies and deceit to uncover the truth and protect those who matter most to him.