A bunch of young people are invited to a Caribbean cruise on a gangster's yacht, to distract the attention of the authorities. Unfortunately, a mutant cat which escaped from a test laboratory also gets on board, and kills most of the passengers.

一群年轻人受邀登上一名黑帮分子的游艇，参加加勒比海邮轮之旅，目的是转移当局的注意力。不幸的是，一只从测试实验室逃脱的变异猫也登上了船，并杀死了大部分乘客。