Chen Feng, who has unexpectedly bound to the System of Rooting Out Treachery and Upholding Goodness, is picked up by his cousin to make a living in the big city. He stays in her rental house and takes a job as a security guard at the most chaotic nightclub in East Sea. While others keep order by force, he relies on solid legal education and physical persuasion to transform the nightclub's atmosphere completely. He overcomes every difficulty along the way, and even the legendary Ninth Master personally requests a meeting. Just as he believes he can see through all good and evil with his 'Eye of Truth', he suddenly realizes that the deadliest danger has never lain in the external clashes of swords and fists. This vertical mini-series is adapted from the novel 'A Good Man Walks in the City' by author Tou Tou San San, published on Fanqie Novel.