Ha Dong-soo was walking through the city at night when bandits attacked him in a quiet alley and handed him over to an underground surgeon to take him apart for organs. The guy manages to escape from the operating table, but loses his right eye, which goes to a quiet office employee, Oh Jin-sop, and at the same time, a maniac who loves to make sculptures out of his victims and put them on public display. While criminal elements are searching for the escaped "patient", the police are trying to figure out the serial killer, and the girl Choi Yi-ran is collecting information about a mysterious urban legend, Dong-soo begins to see with ...