The movie (based on the manga series by Hiroya Oku)is about two friends, students who are killed by a train while helping a drunk on the tracks, only to awaken in an unfamiliar apartment. Gantz is the mysterious black orb in the center of the room. It �forces each of them to take part in a mission to hunt down and kill aliens, providing them with equipment and weaponry.�

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Action, Japanese, Sci-Fi