一位从越南归来的美国老兵,在路易斯安娜的家中发现老婆与别人偷情。愤怒的他受到一种奇怪的鸟叫声驱使,杀死了老婆与她的情人,结果自己也被怪鸟硬生生啄去了双眼。多年后,一群年轻的大学生到美国路易斯安娜某处寻找一种罕见的鸟类,结果被困在一所荒郊野岭的房子里。而更令他们没想到的是,那里除了有怪鸟之外还有大量丧尸!In Louisiana, a soldier returning from Vietnam finds his wife in bed with her lover and he kills them both as well as a couple of friends, but he is attacked by a bird and he loses his eyes. Years later, the bodies have not been found and the former soldier is now a bird specialist (Dr. Fred Brown) living in a house nearby the swamp. When a group of college students go to the swamp on an assignment to research a species of woodpecker that is almost extinct, they head to Dr. Brown's house to get some tips of how to find the rare bird. They drive through the swamp where they find the house where the murders happened and they decide to stay there. During the night, weird things happen.