一个沉迷于鲨鱼的连环杀手绑架了一个无忧无虑的冲浪者,绑在自己的船里,要举行一个仪式把她喂鲨鱼。她的新男友发现恋人失踪,前来寻找,却也被这个疯癫的杀手所擒…… When Zephyr, a savvy and free-spirited surfer, is abducted by a shark-obsessed serial killer and held captive on his boat, she must figure out how to escape before he carries out a ritualistic feeding to the sharks below.