Choi Ik-Ho (Lee Jung-Jae) is a martial arts star with talent for action and humor. But one day, he is framed for murder. Ace (Shin Ha-Kyun) is a game planner, who makes a game for the Korean upper class. He is a villain who makes a city into a big gameboard through technology. Ace and Choi Ik-Ho become adversaries as Choi Ik-Ho jumps into the game to save his brother.
