GU Zhifeng proposed to his girlfriend LIU Fangming on his 21st birthday, but was rejected because he was not fully financially independent. Devastated, GU Zhifeng is determined to study hard, practice tennis, and make his first bucket of gold by playing professional tennis and designing TENNIS Sportsbook Betting Plans. When he makes a fortune, he occasionally falls into an organization and reveals a secret that no one knows, and the underworld surges from then on.