影片改编自同名畅销小说，故事讲述了在洛杉矶的拉古纳海滩，两个最要好的毒贩子Chon和Ben拒绝了墨西哥大毒枭为其卖命的要求，后者便绑架了二人的“红颜知己”Ophelia并索要一大笔赎金，为了救出女伴，他们偷偷盗取大毒枭自己的货物以换取赎金；真不啻是一场危险的角逐。

Stranded in the open sea after a fatal accident, a young woman and her two friends are rescued by a fishing vessel's captain, unaware that the ship harbors a chilling secret.