Chen Fei, a legend in the police world, was obsessed with solving the unsolved case of a female corpse in his previous life. He still had not caught the murderer until his death, which became his lifelong obsession. Once reborn, he returned to the scene of the crime and faced the murdered female worker Liu Fengying again. Relying on his past life memories and criminal investigation experience, Chen Fei broke through the conventional investigation direction, saw through the murderer's disguise, followed the clues between his fingernails, and dealt with the real murderer. After experiencing misunderstandings and dangers, he finally uncovered the truth of the case, vindicated the deceased, settled the regrets of his past life, and safeguarded justice and peace.
