in 2019, the bandit ye huan and his group robbed several gold shops, and their firepower was fierce, so the police could never bring it to justice. three years later, undercover policeman hei cat (played by liu qingyun) and ye huan's subordinate shapi (played by lin baoyi) were released from prison. hei cat lives by being a valet parking. soon, hei cat was introduced to ye huan by shapi by shapi for his excellent driving skills and was invited to act as a driver in their next robbery. although black cat notified the police of ye huan's criminal plan, black cat was injured by the police during the robbery, but luckily escaped ye huan's suspicion. because black cat's boss died in pursuit, he lost the trust of the police. in order to save the situation, black cat took every effort to arrest shapi, but killed him by chance. the police thus listed black cat as a wanted criminal. faced with the suspicion of the police and ye huan, black cat struggled to prove his innocence...