The world's best poker players are called 'sharks', and the most ruthless among them is known simply as Czar. Kim Yoon and a gang of thugs roam from house to house, seeking this legendary figure - despite rumors that no one ever returns from his domain. One day, a man in a red hoodie warns Yoon, "Sir, you'll die if you keep this up.” Ignoring the warning, Yoon leaves to gather money for a new game. Suddenly, he hears the chilling sound of bones smashing and bodies crushing. As the noise fades, Yoon finally comes face to face with Czar…but when he offers Yoon a chance to play, Yoon sees it as a golden opportunity and believes his life is about to change. "I'll try it."