Decades ago the fascist government of the Republic of Greater East Asia seized control of Japan. In order to terrorize its citizens and crush any possibility of rebellion the government established Program 68--a savage military program where teenage students were sent to a remote island and forced to kill each other--also known as the Battle Royale.

At first some of the students thought they might be able to escape the island if they worked together but now tensions and rivalries arise to crush these hopes. The deaths suffered on the first day were only a precursor to the bloodbath to come. Squad 2's psychotic leader has turned against his squadmates while the members of Squad 1 are plotting against one of their own. As the night wears on bloodcurdling madness begins to take over...