A woman's body is discovered in the snow. As a policewoman from the serious crime team, Cheng Changjing buries her parents' tragedy and continues to investigate the case in line with the principle of being responsible for the victims.
As the investigation of the case progressed, Cheng Changjing solved the snow murder case and found the real murderer in her parents' case.
Cheng Changjing once believed in her first love, but she discovered that his first love had drugged her and violated her; the person she thought was the murderer was unjustly imprisoned, and she lost more than ten years of her youth in vain.
Cheng Changjing falls in love with the brother of the prisoner she wronged. Where will their relationship go?
