In the fragile new world of the Korean Joint Economic Area, a revolutionary heist is about to unfold. A mysterious mastermind known as the Professor recruits criminals from both North and South Korea to infiltrate the Unified Korea Mint and print trillions of won while the world watches. Among them is the unpredictable robber known as Tokyo, real name Lee Hong-dan — a former North Korean soldier who turned to crime after being exploited by loan sharks targeting defectors.