Do Il Chool is a poor college student who is talented in playing poker. One day, he meets a woman nicknamed Madonna, who was with a mysterious gambler. Il Chool borrows money from loan sharks and plays against the man, where he losses and lands in debt. Weeks later, Il Chool is haunted by loan sharks when he meets Ae Kku, a famous gambler nicknames the One-Eyed Jack, who forms a team with Il Chool and other notorious swindlers to get revenge and win 5 million dollars by gambling against Old Man Mool.
A mother lives quietly with her twenty-eight-year-old son, Do Joon, providing herbs and acupuncture to neighbours. One day, a girl is brutally murdered, and Do Joon is charged with the killing. Now, it's his mother's call whether to prove him innocent or to leave him imprisoned.