A report exposed that the renowned corporate giant JuLun Group in Canghai City has covered up the truth about a mining disaster that occurred years ago. Deputy Director Qu Jianghe becomes the focal point of the anti-crime and anti-evil campaign. When he gets involved in the investigation, he realizes that the line between right and wrong in reality is no longer clear-cut. Due to various interests at stake, his opponents, friends, and even his superiors, all demand the concealment of the truth. The newly appointed female director Yan Ge is also shocked by the harsh and heroic reality. Covering up is a greater evil than the crime itself.

Widowed for 18 years, Du Ruyu is determined to marry her four daughters into "good" families. To achieve this, she bears enormous financial pressure to buy a house in the capital, hoping her daughters could all have a marriage that's "suited to their social and economic status (with rich or noble men)". However, instead of the ideal wealthy son-in-laws, a series of unexpected young men have inexplicably intruded into their lives: the sheepish Lu Buping, who is a military officer's son; the foolish yet arrogant heir of a prince; the Fourth Prince, who is oblivious to social cues but naturally kind; and Li Tengyun, who is full of positive energy but always messing up. None of these men meet Du Ruyu's standards, yet they are getting closer and closer to her daughters...

In 1997, before the anti-drug bureau was established, Halan City in Northeast China formed a temporary elite team to tackle a sudden drug crisis. Despite their skills, they are unfamiliar with new drugs and must confront ruthless traffickers and devious smuggling methods while grappling with moral dilemmas and the tests of justice and humanity. United by their courage and determination, they create a stirring legend of fighting crime and corruption.