A butterfly flies from the mountain to the city. Sang-Kyu, who works in a company, buys a house in the suburbs and lives with his wife and daughter, Yun-Jeong. But Yun-Jeong becomes a somnambulist because of the illusion of a butterfly flying to the house. Sang-Kyu happens to know Mi-Wu, a singer, who loves Song Cheol-Ho but wanders in her life after his death. On the other hand, Yun-Jeong regains her consciousness with the help of an English psychicist and a nun. After Sang-Kyu has a sex with Mi-Wu, he falls out of the window and loses his consciousness. As she feels affection for Sang-Kyu, Mi-Wu becomes a butterfly in the soul world and leaves him.

1. Just married couple Mun-Su and Yeon-Yeon happened to meet a bandit when they are walking in a mountain. Mun-Su runs away alone and Yoen-Yeon bits her tongue to death in danger of rape. Meanwhile the bridegroom finds a deserted house where he stays that night. Yeon-Yeon's resented spirit changes into a girl and tempts him to go to dead world together. 2. A rich nobleman Mr. Kim is eager to have a baby when he meets Kong-Nyeo. Soon she becomes his concubine and is pregnant. Mr. Kim's wife is madly jealous of Kong-Nyeo and locks her in a separate house. As soon as Kong-Nyeo gives birth to a baby, Mrs. Kim kills Kong-Nyeo and pretends the baby is hers. Resented and sad spirit of Kong-Nyeo drives Mr. Kim's house in fear.

Fresh from the country, Duk-bae (Ahn Sung-ki), Chun-sik (Lee Young-ho), and Kil-nam (Kim Seong-chan) work at a Chinese restaurant, barbershop, and motel, respectively, in a newly-developing area just outside of Seoul. They share friendship and moral support with one another in their difficult lives. Due to ongoing development, even long-established inhabitants of the area are forced to give up their farmland and leave their homes. Meanwhile, Kil-nam is in love with a hairdresser named Jin-ok, and Chun-sik has his heart set on Miss Yu (Kim Bo-yeon), who works as a shaver in the same barbershop. Simplehearted Duk-bae finds himself torn between Chun-sun (Lim Ye-jin), a bright and spirited girl from the country, and Myung-hi (Yoo Ji-in), a foul-tempered yet captivating high society girl. However, Duk-bae learns that Myung-hi, who pretended to care for him, was merely playing with him. Similarly, Jin-ok runs off without paying back the money she owes Kil-nam. Although Miss Yu loves Chun-sik, she becomes the mistress of Mr. Kim (Choi Bul-am), a regular at the barbershop, in order to pay for her father's medical fees and her siblings' tuition. Enraged, Chun-sik stabs Mr. Kim and ends up in prison. Kil-nam enlists in the military, and Duk-bae resolves to defeat the world by boxing.