Sang-ho and Sun-ja have been abducted and forced to perform acrobatics for a circus troupe known as the 77th Dan, where they suffer cruel treatment. When their uncle comes to see them, the pair attempt to break free, but Sun-ja is caught by the circus. At that moment a mysterious figure in a black hood, someone the Japanese dread, appears to come to their aid. The feature-length film blends action with drama as a young man searches for family members who were taken from him.