Grave Halloween follows the story of a group of American exchange students who travel to Japan to explore and document the infamous Aokigahara forest, also known as the Suicide Forest. Driven by the desire to boost their online presence, the group disregards local warnings and enters the forest, where they inadvertently unleash an ancient curse.
As they continue their journey, the group begins to experience strange occurrences, with each member being haunted by angry spirits. With the curse taking hold, the group must race against time to find a way out of the forest before they are all consumed by its terrifying powers.
Throughout the movie, the group encounters various obstacles and challenges, including dangerous terrain, malicious spirits, and personal conflicts. As they fight to survive, they begin to uncover the dark history of the forest and the curse that has plagued its visitors for centuries.
Filled with suspense, horror, and emotional depth, Grave Halloween offers a unique and thrilling perspective on the Aokigahara forest and the legends that surround it.