In the interstellar federation's cyber colony "Dark Star", supernatural events and technological civilization coexist. Shen Mo, a paranormal investigator who appears to be carefree but is actually thoughtful, accidentally obtained the "causal retrospection" golden finger during a mission - he can see the supernatural memories left in objects or places and trace the truth of the incident. He was regarded as a "trash" by his family and was constantly suppressed by his mean elder Shen Mingyuan. He was even sent to investigate an abandoned interstellar prison where strange mass deaths had occurred. During the investigation, Shen Mo discovered that this was not only a supernatural incident, but also involved a secret deal between the top officials of the Interstellar Federation and a mysterious alien civilization. He used his golden fingers to reveal the truth again and again, slapped his elders who laughed at him in the face, and conquered powerful supernatural creatures as partners, while a larger interstellar conspiracy was brewing in the shadows...