In the summer of 2007, Gahye realizes that her younger brother Gwanghyeon is the class president. She is planning to steal a motorcycle and sell it with her friend Gangseop so she could buy her brother a hamburger on the last day of school before the summer break starts.
A young poker player at the top of his game joins a team led by the legendary poker player One-Eyed Jack. While successfully working on a plan to win a huge jackpot, a single mistake puts the entire team in a life-or-death situation.