The female policewoman Hua Dengyan, who was determined to join the anti-drug detachment and find out the truth about the death of the anti-drug police boyfriend, shined in an unexpected operation to rescue the baby hostages, so she was transferred to the Anti-Trainage Office by the Party Committee of Tianhai Municipal Public Security Bureau as acting director.

In order to solve the case of child trafficking and forced prostitution by trafficking girls from other places, Deng Yan not only turned her originally skeptical colleagues into admiration and firm support through meticulous reasoning, precise judgment and self-deliberate actions, but also gradually unveiled the shocking darkness hidden behind the trafficking cases.

Faced with the cunning and cruelty of the criminals, Deng Yan and her colleagues from the Anti-Training Office worked together to peel off the cocoon and thread the thread. After a large number of investigations, arrests, rescue and other actions, they resolved the layers of resistance such as interruption of clues, false accusations and suspensions, and bought murderers and assassinations. Finally, they brought the suspects of the criminal gang of trafficking women and children, including her cousin's wife, to justice.At the same time, the truth about her boyfriend's murder gradually emerged.