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.

In the beginning, some of the students thought they might be able to escape the island by working together, but now tensions and rivalries arise to crush these hopes. Several students have died already, some even murdered by their own squad mates. Squad 2 tears itself apart, and the members of Squad 1 plot against one of their own. As the night wears on, bloodcurdling madness begins to take over...