In the rainy and foggy Lanyou City, under the shiny urban shell, rotten evil quietly breeds in the shadows.
A series of murders with strange sacrificial techniques broke the peace of the city. Mysterious patterns were left on the bodies of the deceased, and tiny fragments of white jade were always left at the scene of the crime. Pei Yanci, the leader of the serious crime team, has been burdened with the pain of the murder of his family when he was fourteen years old. He has been secretly tracking down the real culprit for many years. He is cold and decisive in taking over a series of major cases, and welcomes Jiang Xubai, a specially appointed criminal psychology consultant of the city bureau.
Jiang Xubai is extremely talented and is good at analyzing the hearts of criminals, but he is trapped by the incomplete and broken childhood memories. He is repeatedly haunted by bloody nightmares. While he sympathizes with the murderer, he is constantly being backlashed by the darkness.
One holds evidence from an old case, and the other has lost his past memories. Their fate entangled them as early as that rainy night twenty years ago. When they first met, a hidden white jade button made Jiang Xubai's heart palpitate and hurt for no reason, but he couldn't find the reason.
The two partners travel through abandoned theaters, deserted ancestral homes, and dusty old crime scenes, facing a series of murders that are shocking, bold, and distort human nature. The serial murderer is just a puppet in front of the stage, and the real mastermind behind the scenes is hiding in the dark and constantly provoking the police. As the clues were peeled off layer by layer, three clues slowly gathered together: the current serial murder case, the old case of Pei Yanci's parents, and Jiang Xubai's buried family secrets.
The fog of the past is lifted layer by layer, the jade is the contract, and the old grudges are the shackles. When the truth hits us, revenge and redemption compete with each other. They not only have to fight against the most vicious criminals, but also face the unbearable scars in each other's life experiences. Thick fog shrouded the abyss, and two scarred people walked side by side, searching for the belated truth and glimmer of light in the endless darkness.
Concept: Concept of "Mist locks Lanyou"
1. Sin will never be buried by time
Old sins can be sealed in files and tampered with in memories, but the harm is real. Avoiding and covering up cannot eliminate sin. Only by facing the past can the truth be revealed. Serial murders are a continuation of the evils of the old era. If the evils of the past are not resolved, new tragedies will continue to occur.