Detective Cheng Jin's left hand is equipped with a metal bracket, and there are three bullet marks at the end of his eye, like a deletion mark scratched by fate. Forensic doctor Lin Yan has a navy silk scarf wrapped around his neck, and there are always expired fruit candies in the laboratory.
A serial murder case led the two to the fire in the welfare home fifteen years ago. Cheng Jin's gun suddenly appeared in the chain of evidence, and the residue of anti-cancer pills surfaced under Lin Yan's scalpel. When the real murderer pressed the gun against Lin Yan's temple, Cheng Jin's blood-stained metal fingers grasped the barrel of the gun——
One of them lost consciousness in pain, and the other suffered from numbness.
Intention: "The so-called lighthouse is just a prisoner who is willing to burn himself."