Kwon-tae Ahn

The devious brain behind a heist draws a top police detective, on the eve of his retirement, into an elaborate plot of robbery and revenge. (imdb)

Jong-hyeon, a tough high school student who excels at fighting, has trouble getting along with his older brother Seong-hyeon, a studious type with a cleft palate. They were born within a year of each other, and attend the same classes at the same school, though Jong-hyeon largely ignores Seong-hyeon. Jong-hyeon also harbors some resentment towards his single mother, who seems to prefer the elder son. The conflict between them increase when both brothers fall for the same girl. (Wikipedia)

Gang-cheol is a legendary street fighter in Busan, who cleaned up his act to care for his sick mother. Things are going well for him, and he's happy in a budding relationship with Su-ji, vacationing in the seaside town. As their relationship grows, Gang-cheol is dragged into the criminal underworld when he sees Busan gangsters Sang-gon and Hwi-gon re-staging the accidental death of a Yakuza mobster as an accident and an old friend, Jong-su, gives him up to the Busan gang. Knowing he's desperate