To avoid a deadly fate, the heroine follows her mother's wishes and hides her extraordinary gambling skills as the last heir of the legendary God of Gamblers. But when her addicted father falls into endless debt and her mother desperately needs a life saving medicine worth hundreds of millions, she has no choice but to enter the Divine Hospital, a place that appears to be a hospital but is actually a hidden casino. Here, any miracle drug can be exchanged with human organs, but those who gamble with their lives rarely escape unscathed. Her father sells her as a bargaining chip to the mysterious man who has never lost a bet. For the first time, he is defeated by her and gradually becomes fascinated by this fearless girl. Enemies become allies as a dangerous game begins......