His best friend jumped off a building for no reason and died, leaving only a missed call to himself. While Wang Zhengning blamed himself, he did not believe that Lin Xiao committed suicide. While determined to pursue the truth about his friend's death, Wang Zhengning discovered that there were supernatural phenomena around him that science could not explain. People around him died mysteriously one after another, and Lin Xiao's ghost loomed behind him. Could this be Lin Xiao's doing? Is this revenge for his lack of care? Wang Zhengning was shaken in pain, but he didn't know that the danger was approaching step by step...