Chu Feng was once the Sanda champion of Anyang City. He had a bright future, but because he stood up for his friends and injured the bully, his results were cancelled, he lost the opportunity for promotion, and his future was ruined. His father suddenly became seriously ill. In order to raise medical expenses, he reluctantly entered the "market swordsman" business, making hard money by mediating conflicts for others and deterring evil forces.
Chu Feng acted with principles and only helped people who were reasonable. He abhorred bullying. He drove away gangsters who collected protection fees for small restaurant owners, found justice for old neighbors whose houses were forcibly demolished by developers, and helped entrepreneurial college students regain their plagiarized project ideas. However, Chu Feng's actions offended the interests of the "Black Tiger", the leader of the city's underground forces. Black Tiger controls thugs, colludes with unscrupulous businessmen and corrupt personnel, and dominates in Anyang. He regards Chu Feng as a thorn in his side, and has repeatedly designed to frame Chu Feng, falsely accusing Chu Feng of committing crimes with a knife, and Chu Feng was investigated and pursued by the police.
Chu Feng evaded pursuit while collecting evidence of Black Tiger's crime. At the same time, he also had to take care of his bedridden father and comfort his mother who was worried about him. But the heavy pressure did not overwhelm Chu Feng. He relied on his fighting skills and wisdom to survive in the dangerous environment of the lower-level market. In the end, Chu Feng united with the victimized citizens and the righteous media to expose the facts of Black Tiger's crime. Black Tiger and his accomplices were brought to justice, and Chu Feng was cleared of his grievances. After that, he bid farewell to his career as a swordsman, used the contacts and experience he had accumulated to open a regular security company, and started a new life.
