This action-oriented film tells the story of a traveling theatrical troupe. When one of the actresses is sold to criminals running an opium den, Na Woon-gyu's character rescues her and returns her to the troupe.
Tae Gun-ho (Jung Jae-young) is the best collection agent in his firm, admired by his colleagues and dreaded by those he visits. He’s known for gathering his debts by any means necessary, and keeps a cattle prod handy while on the job. Following a series of unexpected fainting spells, Tae is told by a doctor that he has liver cancer, and would need a transplant to have any chance of surviving beyond three months. And so he puts his professional skills to work, setting out to collect a different sort of debt by tracking down the recipients of organs donated by his late son. First among his sources for a liver is Cha Ha-yeon (Jeon Do-yeon), a beguiling fraudster with a long list of enemies.
The experienced detective Jo has a new partner, Kang who recently graduated from the Police Academy at the top of the class. The idealistic Kang always sticks to his principles and often conflicts with Jo, an amoral cop who always tries to take advantage of his position. Kang tries to win Jo over to his side, but fails. One day, a beautiful woman who works in a bar comes to the police station for help, and Kang falls in love with her. He starts going to the bar often to see her, and begins to become more like Jo. Jo is initially pleased at this, but later begins to experience a dilemma with Kang's change in attitude.
In Punguna, Na Woon-gyu plays the role of Nicolai Park, a veteran of the Russian army, who has returned to Korea from European battlefields. Broke, hungry, and unable to find employment, he is taken in as a boarder by Kim Chang-ho. Chang-ho's friend, Cha-duk becomes romantically involved with Hae-ok, who had sold herself to support her parents. Cha-duk's wife, Yeong-ja becomes involved with Nicolai, who rejects her proposal to run away with him. The romantic complications spiral until Yeong-ja kills Cha-duk. The film ends with Nicolai departing for destinations unknown while the other boarders bid him farewell.