It is late autumn in the capital, and the autumn rain is continuous.
One after another, serial murders quietly surfaced. At each crime scene, there was a incomplete woodcut mark. All clues were wiped out, and the truth was buried deep in the dark night.
Song Juxing, a judge of Dali Temple, has a meticulous mind hidden under his gentle skin, and is good at deducing the overall situation from small traces; Xie Ying, a police officer from the Forbidden Army, is dressed in black and has excellent martial arts skills, a cold and aloof personality, and believes that seeing is believing.
A piece of paper transfer order, let the two people who have no intersection work together to investigate the case.
One is a good strategist, the other is brave, one is soft and the other is strong in the way of handling cases. They test each other and be wary of each other. They slowly gain trust in each of the strange and unsolved cases.
As the investigation continues to deepen, the serial murder case leads to an old case that has been sealed for more than ten years. Undercurrents of various forces in the court are surging, and the secrets of the year are slowly unveiled. Under a cold lantern, the two of them stood side by side, searching for the truth buried by time in the thick fog.
Purpose: Stick to your heart amidst numerous mysteries. Two investigators with very different identities support each other, clear away the fog of old cases, pursue the truth, ask for justice in the world, and keep the morality and conscience in your hearts amidst the turmoil in the court.