Katayama is on the way home to his wife and little daughter when he comes across a gang of punks beating up an innocent man. Katamaya decides to help the stranger and surprisingly wins the fight. This turns out to be a bad decision.
Based on a true story, Shyon (Lee Taesung) travels from Korea to broaden his horizons, studying in Japan he meets Yuri (High and Mighty Color's lead singer, Maakii). Both share similar interests in music and sports as they become closer while dealing with language and racial barriers.
Mothra and her fairies return to Japan to warn mankind that they must return Kiryu to the sea, for the dead must not be disturbed. However Godzilla has survived to menace Japan leaving Kiryu as the nation's only defense.
One day on a holiday, Tatsuya was recording his wife and son playing in the park on his home video camera. However, when he plays back the video, he finds something strange and unfamiliar. The "demon" gradually begins to invade the house.
