It rained all night, and the body of an unknown woman was discovered in a bridge cave in Nanjiang.
The place was eerily clean, with only an old copper button from the 1980s left.
The city's police concluded that it was a common murder and the case was quickly closed.
Only the suspended detective Shen Changhe's pupils shrank suddenly.
This button is the exclusive omen for the serial rainy night murders twenty-seven years ago.
A case from that year remains unsolved.
His father, veteran detective Shen Wei, passed away with hatred due to the case and has been in trouble ever since.
Twenty-seven years later, the murder was repeated and the physical evidence reappeared.
What's even more terrifying is——
The murderer deliberately left clues and provoked the descendants of the Shen family by name.
Suspended, taken the blame, ostracized, and questioned as crazy.
Everyone advised Shen Changhe to stop, but everyone believed that his obsession was too deep.
Only he knows.
The forged haircuts at the scene, the deliberately placed buttons, the strange migration trajectory of the deceased, the hidden old wounds behind the ears from years of domestic violence...
There are carefully laid out killings everywhere.
The opponent is hiding in the dark, inducing him step by step, and framing the blame at every level.
Playing with the rules of criminal investigation and playing with the entire police force.
A hair lock locks the flaw, and a button traces the old murderer.
As the investigation deepens, all clues point to a chilling truth:
The murderer from twenty-seven years ago has never disappeared.
He was lurking in the light, staring at me, waiting for me to get involved.
This time, taking off the police uniform, I will also tear apart the shady story, solve the case for my father, and catch the real culprit!
