Murders occur frequently, and it is difficult to see clearly in the dark night. The murderer is at large and provokes the police. Forensic doctor Yao Mingxuan, criminal police officers Liu Haibo and Wang Hongfei, and beautiful policewoman Qin Xue work together to use their professional knowledge to uncover the truth, repeatedly solve strange cases, and uphold justice. While realizing self-worth, one also completes life transformation.
