Full-time baseball player Lee Hwan (Lee Min-ki)'s career hit rock bottom due to a fake ball. Later, he joined the most powerful boss of Busan's "Emperor Finance", Zheng Changhe (Park Sung-woong). He is loyal to his subordinates, but has ulterior motives for the business and money he runs. Although his brothers around him have many complaints about Lee Hwan, the calm Zheng Changhe still cultivates Lee Hwan with his heart, allowing him to wait for an opportunity to rise to the top. Later, Lee Hwan met the nightclub owner Ji Yanxiu (Lee Tae-lin), whose sexy and seductive attitude provided Lee Hwan with the only comfort and shelter. He was willing to gamble everything, hoping to stand out in the world of desire...