Ten years ago, the "Ghost Killer" created a perfect unsolved case and took away the life of profiler Shen Qing (Lin Wan's previous life). Now, Shen Qing is reborn in Lin Wan's body and joins the special case team as a mysterious criminal profiler. On the surface, he assists in investigating new copycat murder cases, but in fact, he works step by step to track down the real murderer and settle old scores. She used her extraordinary profiling ability and her ultimate understanding of the murderer to solve the mystery and draw the attention of the police while secretly weaving her own web of revenge. However, she discovered that her death in her previous life and her predicament in this life all pointed to a huge conspiracy built by power and interests. In the end, she made a choice between private revenge and legal justice. While revealing the entire truth and bringing the real murderer and the mastermind behind the scenes to justice, she also completed the ultimate redemption of herself.
