15 years ago, and the name of the little girl was kidnapped Jane killed, homicide police officer Wu Qinghao (the metallographic anniversary) is promised to west Jane her mother (festival) will be the murderer to justice, but after a long track but still found nothing. Seeing the prosecution period is approaching, Officer Wu desperate, but missed the suspect. After this, Officer Wu left the police force with regret, living a decadent life. And west Jane's mother has never given up the belief of pursuing the murderer. She carried out an independent investigation with her weak woman's body, and finally found the clues left by the criminal. Not long after, another little girl was kidnapped in broad daylight. The modus operandi was exactly the same as that of west Jane's case. The police immediately laid a dragnet to deal with it. In the face of cunning suspects, the police had to ask Wu Qinghao, who was idle, to come out of the home again. The little girl's life is hanging by a thread. Can west Jane's mother and Wu Qinghao catch the prisoner and repay their long-cherished wish...