United States

Paul Carleson's life is dramatically changed after a meteorite particle lodges inside him, grows and takes over his body. Each night the particle reacts to the moon and transforms him into a vile reptilian beast and roams the countryside and commits several brutal murders. By morning Paul returns to his normal self. The authorities call in 'Longbow', an American Indian, who recognises the monster from his people's ancient legends - but can he stop the ghastly progress of the Moonbeast... [sic]