There are silent crimes hidden in the dark side of the city. A pair of rings connects six confusing serial mysteries.
The calm and keen underage genius girl Wen Yao joins hands with the detective Lin Xu, the forensic doctor Wu Feiran, the judge Xu Zhe, the forensic examiners Xie Yao, and Xie Yu to walk on the boundary between the light and darkness of human nature.
Seemingly unrelated murders are intertwined, illegal forces are undercurrent, undercover agents are reversed, and love and hate are entangled.
On the tip of the knife is the game between truth and lies, and between the swords is the choice between redemption and destruction.
They broke the situation with their professionalism, took risks with their original intentions, held on to the glimmer of evil, and uncovered a conspiracy that had been buried for many years.
Purpose: to pierce the darkness with the truth, uphold justice with the original intention, and explore the good and evil of human nature