Believing that aliens in human form are systematically destroying the planet and all humankind, Byung-gu sets out to capture an alien leader and force him to confess. Because all the aliens look like humans, Byung-gu makes an educated guess and kidnaps the head of a chemical company. Byung-gu desperately tries to wring the truth from the man before the police close in and aliens destroy the world. Ha-kyun Shin and Yun-shik Baek star.