Old cases were unexpectedly reopened, murders followed one after another, and the city bureau urgently set up a task force.
Led by an experienced team leader, coupled with technical geniuses, profiling experts, and hard-core forensic scientists, a group of criminal police officers with unique skills face the strange scene, broken clues, and the hidden abyss of human nature.
The truth is wrapped in layers of fog, the murderer's shadow wanders in the dark corners of the city, and every step of the pursuit is accompanied by unknown dangers.
They battle wits and courage with the murderer, race against time, and tear off layers of disguise in the game of lies and truth, just to bring justice to the victims and protect the light of the city.
Purpose: Stick to justice, and sin will eventually be torn apart