Byung-gu believes that all of the earth will be in danger because of the evil doings of aliens. That's why he knows that unless he can meet the prince from Andromeda before the total lunar eclipse, planet earth will be in grave danger. In order to meet the prince, he must find an extraterrestrial living on earth. So Byung-gu kidnaps the most logical suspect for being an alien, Kang Man-shik and asked him to allow meeting the prince. The battle between Byung-gu, who's trying to uncover a secret alien plot and Kang Man-shik, who thinks Byung-gu's nuts and is trying desperately to escape.