Wansoo's wife goes to Japan with a Polynesian man named Monty Jubei to start a business. Wansoo, who remains in Korea, waits for his wife with faith, hope, and love. However, his wife doesn't seem to want to return to Korea for some reason.

In 1971 birth control was a major policy drive of the Korean government. Nevertheless, one poor farming village went against the trend, boasting the highest fertility rate in the country. This peaceful Yongdu Village receives an unwelcome visitor, the national family planning officer Hyun-joo, to oversee the villagers nocturnal pleasures. However as a single lady with little experience of her own, Hyun-joo finds it nearly impossible persuade the residents to use contraception. She finally appoints the village head Suk-gu as the local support officer and thus begins the “0% Birth Rate Project.” Appointing him brings more turmoil to the villagers and when the President comes to inspect…

In a hospital parking lot, Officer Song Yeon-hwa is briefed about Park Pung-shik, an alleged gigolo who preys on rich housewives. One of his latest victims is the police chief's wife, who refuses to testify against him, despite giving him $30,000. Song is told to go undercover as a hospital patient in order to secure evidence leading to his arrest. In the hospital, she finds the mild-mannered Park and talks to him over coffee, where he mentions that he ballroom dances for a living. Song asks him why he came to become a dancer and he starts his story.

Tae-sik, a troubled middle aged man and Sang-hwan, a troubled youth will meet in the ring with their respective mission. To change their life.