简要：Whitney Cameron (played by Cotton), a man with a strong affection for his sister-in-law (played by Peters). When one of her stepchild died, it was revealed that the child was poisoned. Whitney suspects that his sister-in-law has committed murder and is concerned that her other son may be in danger. This movie reached its climax during an ocean voyage on a cruise ship.
Whitney Cameron (played by Cotton), a man with a strong affection for his sister-in-law (played by Peters). When one of her stepchild died, it was revealed that the child was poisoned. Whitney suspects that his sister-in-law has committed murder and is concerned that her other son may be in danger. This movie reached its climax during an ocean voyage on a cruise ship.展开
