Song Byeong-tae is bullied all the time in the small technical school he attends, until one day, he encounters a meeting upon an old gangster-like man whose fighting skills astound Byeong-tae, who asks the man to teach him to fight. He soon learns the true meaning and virtues of fighting as he finally goes against these bullies one by one and then after the toughest bully in the school, using the skills the man, whose name he doesn't even know, has taught him.
In the opening scene the protagonist begins to reminisce about his youth and remembers the day he was saved from execution in a raid performed by the anarchist cell he would later join. After reaching a safe house the group begins to teach him the tricks of their trade. He later takes part in several missions, though he continues to have difficulty throughout the film with the violence of his new job.
The film concerns a student, Ch'oe Yeongjin, who has become mentally ill after being imprisoned and tortured by the Japanese for his involvement in the March 1, 1919 protest against the Japanese colonial rule. He returns to live with his father and sister, Yeongheui, in their small village home. Yeongjin's friend, Yun Hyeon'gu, is in love with Yeongheui. While the villagers are preoccupied with a harvest festival, O Kiho, a collaborationist for the Japanese police, attempts to rape Yeongheui. Hyeon'gu fights with Kiho, striking and killing him with a sickle. When Yeongjin regains his sanity, he believes himself to have killed Kiho. The film ends with the Japanese police taking Yeongjin over Arirang hill to return to prison.
A lonely chef with a speech impediment takes a job as a professional killer in order to raise the money he needs for an operation on his tongue. Known as "Killar", he and his partner "Ballet" make a rule to only kill rude and impolite people. After killing each one of his victims, "Killar" goes to the same bar where he meets "Her", a woman who becomes attracted to him. His life begins to unravel after he and "Ballet" kill the wrong person by mistake.
The film starts by showing the city streets of K-Town in New York, then goes straight into one of the most common places in Korean Culture. A Room salon (RS) where Korean Mobster Jin Ho Chun (Jun-ho Jeong) is running the place as a money launderer for the Korean mafia. As Chun is making his usual errands, such as making sure the Room salon is running smoothly and greeting customers. Chun goes and checks on the VIP members, where also his mistress Sook Hee (Jane Kim) is at. Chun then grabs the bag full of cash and makes his way into his car. While Chun's driving off, another car blocks his way and he gets shot to death in the back.
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.