The thirteenth corpse in the evidence library was wearing the uniform that Lu Xiao had buried three years ago. There was a bloody police badge embedded in the chest - the same one that he personally handed back to his deceased wife. Jiang Zhuo, a cold-blooded forensic doctor, trembled during the autopsy and said: "This corpse has a heartbeat." The serial murder case seven years ago was officially sealed and all evidence was burned. Only this "impossible" corpse was dug out from the ground. Lu Xiao retired after being charged with wife-killing, and Jiang Zhuo's license was revoked due to illegal autopsy. The two reunited in the evidence library where corpse odor and rust were intertwined. The truth is not who the dead person is, but who buried the living person in the death file.
