Millionaire Min Beom-sik leaves for Incheon and his bodyguard overhears his wife secretly telling butler Du-hyeon that she hopes that Beom-sik might die early so that she can take all his assets. Du-hyeon rapes the woman and plunders the rent from the slurbia owned by Beom-sik. Hwang Sun-nyeo, a woman living in this slurbia, has a lover named Park Jeong-song. Du-hyeon and Beom-sik both have their eyes on Sun-nyeo. Beom-sik threatens Sun-nyeo's father who owes him 500 won to give him the daughter instead. Well aware of Du-hyeon's affair with Beom-sik's wife, the bodyguard blackmails them for 500 won and rescues Sun-nyeo. The bodyguard is sent to jail for this for 3 years. After he comes out, he finds out that Jeong-song is in prison framed with murder. The bodyguard goes to Du-hyeon and kills him, returning to prison once more.