艾米蒂岛是一个旅游度假胜地,有大批的游客来这里游泳。然而,大白鲨的出现却改变了这一切。事故从一对情侣开始,他们下海游泳,女的不幸成为了第一个牺牲者,支离破碎的尸体令人惨不忍睹。当地官员却不愿意封场调查,他们怕影响旅游收入,于是请来了生物学家布朗(理查德•德莱福斯 Richard Dreyfuss 饰)。 布朗断定,这是一只非比寻常的巨大白鲨。他的提醒并没有引起当局的足够重视,紧接着又有人死于非命...
A singer holes up at a sinister estate to write new songs for his act. The ghost of his murdered wife begins to haunt him, then the person who actually killed her shows up at the mansion....