When playing Big Bet, the choice is only one: win or die.
This story follows Choi Hyunsuk, a man who lives boldly after experiencing deep trauma in the past. When he reunites with an old friend, Cha Tae-Hyun, they decide to start a casino business together. However, this glamorous casino world is full of dangers, deceit, and high-stakes games that threaten them.
Hyunsuk and Tae-Hyun face various obstacles, including threats from competitors, betrayal from associates, and internal conflicts that shake the foundation of their business. In every bet and high-stakes game, they must struggle to survive and protect what they have built. Will their courage and intelligence be enough to overcome all the challenges, or will they fall into ruin?