Zhang Yang, a young policeman who has just joined the job, has a dream of being a detective. Most of the time in the police station is solving trivial matters. Suddenly one day a murder case occurs in this peaceful town. By chance, they discover a mysterious organization that privately punishes some lawbreakers in extremely serious ways. They are deeply brainwashed and believe that they are just punishment, and thus they are taken advantage of by those with ulterior motives. After solving a series of cases, the leader of the organization finally returned to the waterfront. So are you willing to go on a detective trip with Zhang Yang?
Purpose: Through some social cases, the protagonist will continue to strengthen his determination to maintain social peace.