正值青春年华的少女阿秋（範田紗々 饰）被一个疯狂科学家（柳东史 饰）绑架，并训练成武功高强的杀人机器。厌倦了血雨腥风的阿秋渴望过回正常人的生活，她趁科学家不注意逃脱，几经辗转进入一所女子高中读书，在此她结识了与之有着同样胎记和黑痣的游泳部女孩阿清（日高ゆりあ 饰）。 　　该学校谣传正流行一种新型病毒，然注射过疫苗的师生皆心性狂乱，嗜血如命，而游泳部的女孩们则幸免遇难。为了拯救学校和同学，她们在阿秋的带领下组成女子游泳反乱军，于嗜血僵尸们展开连番恶斗。与此同时，这一连串恐怖事件背后的阴谋也渐渐浮出水面……A girls' high school team is having a competition. Aki persuades her friend Sayaka to join the swimming team. However, a mysterious virus is spreading throughout the school. After Aki discovers the incident and tries to tell other people, she is killed. The swimming team takes up the challenge to cope with it and begins the fierce battle.