One morning the high school student Takashi Komuro enjoys the silence at school when he's suddenly interrupted by strange noises and a shaky-legged person who tries to enter the school grounds. Subsequently several teachers come to the school gate to shoo the person away. All of a sudden a teacher is bitten by the person and within seconds the school campus becomes a place of violence blood death and undead zombies. Takashi shocked by the scenery runs for his life to save his schoolmates and childhood love Rei Miyamoto. The struggle for survival has just begun…