Hyeon-su (Park Yong-ha), an unemployed, self-taught individual investor, hits the jackpot ― though at the cost of disrupting a scam by gangster-turned-financier Hwang (Park Heui-soon). Hwang, however, recognizes Hyeon-su's talent and recruits him for his team of scam artists. They prepare for a 60 billion won heist, but a bigger scam is in the making within the group.