Seven years ago, she left a farewell letter and completely disappeared from his life. Seven years later, serial murders reappeared, and she parachuted back as a provincial expert and became his deputy. Old cases are unresolved, new mysteries arise one after another, and what is more dangerous than the truth is the resurgence of old feelings after reunion. Criminal investigation captain Lu Shen has only two options in front of him: catch the real culprit who is at large, or lose the only forensic care he has in his life again. When the evidence points to the inside, when trust collapses again, this time he chooses to risk everything, looking for a possibility of reconciliation in the ashes of crime and love.
