In a dystopian future in Japan, the government has implemented a brutal program to control the rising youth dissent known as "the game." Each year, a class of high school students is selected and taken to a deserted island, where they are given a single mandate: kill or be killed. Equipped with random weapons and scarce supplies, these young people must face their friends and classmates in a deadly struggle that tests the limits of loyalty, survival, and morality.
The story follows Shuya Nanahara, a student who finds himself trapped in this horrific social experiment. Desperate to survive, Shuya forms a bond with his childhood friend, Noriko, and the charismatic rebel, Shogo. As they battle their own instincts and the madness that unfolds around them, the group tries to find a way to escape the game or, at the very least, to protect each other from the fierce competition. However, as the days go by and bodies begin to fall, alliances break and betrayals arise, revealing the worst and best of humanity.
With a raw portrayal of youth violence and desperation, this film becomes a striking reflection on modern sociopathy and the extremes to which people can go when their lives are at stake. Furthermore, it raises questions about morality and human nature in a world where survival is the only rule that matters.