The film's main character is Byeong-gu, a man who believes that aliens are about to attack Earth and that he is the only one who can prevent them. With his childlike circus-performer girlfriend, he kidnaps a powerful executive whom he believes to be a top ranking extraterrestrial who can the prince of these aliens during the eclipse. After imprisoning the man in his basement workshop, he proceeds to torture the executive and slowly Byeong-gu's true intentions are revealed. It seems that the executives company poisoned his mother in a pharmacy test, and though Byeong-gu does seem to believe that the executive is an alien, he's deluding himself to his obvious act of revenge. When a detective comes calling to investigate the disappearance, the executive tries to escape but is thwarted by the psychotic Byeong-gu. The detective at first finds nothing unusual but on his way out sees Byeong-gu's dog (appropriately named Earth) gnawing on the bones of his masters past victims. After ing a partner in the police force he is killed by the psycho's bees, is hacked up and fed to the dog. Byeong-gu then crucifies the executive and breaks his leg with his axe butt, to punish him for his attempted escape. In a desperate move, the executive convinces Byeong-gu that the bottle of benzene in his trunk is the antidote for his comatose mother.