首尔市中心，某运钞车被劫，18亿韩元现款不翼而飞。据犯罪现场证据显示，罪魁祸首是一个名叫白成灿的警视厅特别搜查班班长。消息传来，正在警视厅开会的白成灿警官怒不可遏。 　　狂妄大胆的罪犯再次向警方挑衅，预告他的第二次犯罪计划。这次，他将试图把价值100亿的金块变得不翼而飞。白成灿接到线报，600千克金块通过济州岛机场被走私。为了维护自己的尊严，白成灿急派警员赴济州岛，但金块依然在潜伏警员的鼻子下戏剧般地消失了。 　　最后，幕后策划人渐渐浮出水面。天才的犯罪行为仍不能逃脱白成灿的敏锐目光。白成灿抓到其中一名嫌疑犯，并等待捕获到真正的大鱼。这时，白成灿接到一个电话，电话传来了熟悉的声音：“你，知道我吧？！”……

Gang-cheol is a legendary street fighter in Busan who cleaned up his act to care for his sick mother. Knowing he's desperate for money for his mother's operation, Sang-gon proposes that Gang-cheol works for him.

The story of two brothers, growing up in 1970s Korea, who each take two completely different paths. One goes to school to become a doctor, the other becomes a gangster. Their story is told through flashbacks after one of them is murdered.