At the base of Mount Fuji in Japan lies the legendary Suicide Forest, said to be haunted by the spirits of those who have taken their lives there. So when a heartbroken American girl visits the forest to end her life, she transforms into a vengeful demonic spirit to seek a violent revenge on those who scorned her. Now it's up to a small group, including her ex-boyfriend, to enter the forest and break the curse. . . even as they start die one by one.