In a modern city, a seemingly ordinary murder case opens the curtain of mystery and darkness. Xu Chengfeng, a former police detective, resigned due to injustice and formed a "Hidden Case Shadowing Team" with a group of members from different backgrounds. They pieced together the truth in the shadowy corners of the city, and successively solved cases of disappearances, serial killings, power corruption and marginalized people in society. Behind every case involves the past and struggles of the team members. Multiple clues and perspectives go hand in hand, and reality and ideals collide with each other. Through a long-term investigation of ten volumes of suspense reasoning, an intricate black network of power was finally revealed, and the team members also moved towards spiritual redemption and growth.
