A high school classroom… The students have pushed their desks out of the way and are busy dancing. It seems that they are conducting some kind of bet to see who can show off the best moves. Once again, Cheol-min takes over and is declared champion for the day. He returns the money he wins but is obviously high on his victory. He preens in front of So-yeon, the object of his affections. So-yeon, well aware of Cheol-min's feelings, only has eyes..
Upon his release from prison, Hyuk turns away his girlfriend Mina who has come to greet him. He admonishes her to forget about him. He finds a job at a pool hall but it seems trouble follows Hyuk around. He gets in the middle of a gang fight and ends up saving gang leader Ju-cheol. As a token of gratitude, Ju-cheol gives a slice of his own territory to Hyuk. Kyung-suk, Ju-cheol's right hand man, becomes threatened by Hyuk and so challenges him to a fight. The loser has to leave the area for good. Kyung-suk ends up losing the fight and he takes off for Tae-baek, a mountainous city. There, he becomes a faithful member of Kang-ho's gang and kidnaps Hyuk's former martial arts master. Ju-cheol asks Hyuk to help the martial arts master who also happens to be his friend. Hyuk returns to his hometown of Tae-baek only to find that Kyung-suk has kidnapped his old flame Mina. Hyuk, vowing vengeance, goes underground to find and rescue the two most important people in his life.
Two brothers, Hyuk and Bin, live in a small coal mining village. Hyuk, the younger of the two, works hard as a coal miner to make ends meet. On the other hand, Bin becomes a slave to gambling and leads a wretched life. Bin soon becomes a casualty of a greedy gangster named Gang-ho who wants to reshape the mine for profit-making facilities. Hyuk enters the world of underground fight ring to avenge the wrongful death of his brother.
After witnessing the brutal murder of his mother, Ma-ryong grows up intent on revenge and sets out to become a master of martial arts. When Ma-ryong kills his mother’s murderer, Il-pyung, the son of Ma-ryong’s enemy, seeks a master to learn how to fight. Ma-ryong and Il-pyung form a bond as master and apprentice leading to an inevitable showdown.
