Vacation turns disaster when Houston grad, Kyle and her friends escape a plane crash in the desolate Louisiana everglades, only to discover there's something way more dangerous lurking in the shallows.

讲述奥兰多·布鲁姆扮演的退役拳击手，为重夺荣誉而接受一系列艰苦且不合常规的减重计划，他在现实中与所爱的人渐行渐远，并开始失控。