In the middle of the Koryo dynasty, the wealthy man Jo wants So-yah so he kills her husband, Huh Jun. So-yah follows her husband by killing herself. She asks her a cat to avenge them. The cat licks the blood of the dead So-yah. The cat calls forth evil power and finally appears in front of Jo's house. Every night, the cat causes trouble for Jo so he has all the cats in the village killed. However, the evil power of the cat goes to Young-rang, Jo's second wife. At night, Young-rang steals the spirit of Jo. The family elders go to the master Buddhist priest Hye-sung for his advice. Hye-sung subdues the cat's spirit but Jo is already dead. So-yah's soul goes to heaven with her husband's soul.

Keon wants his friend's girlfriend so he tries to take her by force but she gets away. Instead, she runs into a truck driver who rapes and murders her. Keon is wracked with guilt. As the investigators close in on Keon, Madam Sun-wu hides him. Keon becomes Madam Sun-wu's toy-boy. He also becomes a nude model for Ma Mi-ae, Madam Sun-wu's friend. Mi-ae is drawn to Keon. Mrs. Yun, whose husband is impotent, also looks to Keon to satisfy her desires. As the investigation's net tightens, Keon's life falls apart. Mrs. Yun dumps Keon on a road in the middle of the night. The prostitute Lan helps Keon out. However, in despair, Keon runs out into the rain and screams. On TV, the news broadcast the capture of the real criminal.