The city is prosperous on the surface, but there are undercurrents underground. In a case of missing women, criminal police officer Jiang Huai accidentally discovered that the past of his mother's disappearance was closely related to this case. News editor Lin Yuan received anonymous letters, uncovering clues to several old unsolved cases. Psychological counselor Su Yao helps the victims' families and is accidentally involved in multiple crises. Social activist Xie Yi fights for women's rights and accidentally gets involved in the shady case. Corporate executive Qiao Mo is in a whirlpool of power, but he is suspected to be behind the scenes but it is difficult to tell. The five people's perspectives are intertwined, and the case gradually reveals the truth and social shadows at the bottom of the city, and everyone is looking for their own way back and redemption in the mystery.
