The story revolves around Gu Qingyan, the captain of the criminal police, and tells the story of her constantly challenging herself, exposing the dark side of society, and finding the truth in the process of solving a series of complicated cases. Each case involves different social issues, such as domestic violence, workplace sexual harassment, online fraud, etc. As the case progressed, Gu Qingyan gradually discovered that there was a certain connection between these cases, and there was a huge conspiracy hidden behind it. During the investigation, she not only had to face cunning criminals, but also faced resistance from within the police station and pressure from public opinion. In the end, with her wisdom and courage, and the help of her partners, she successfully exposed the truth, brought the criminal to justice, and at the same time achieved self-growth and redemption.
