In order to avenge his unborn daughter, Song Lan uses psychedelic drugs to pretend to be a ghost and thereby cover up the secrets of the existence of Jin's treasures. Detective Han Sanqi stripped the cocoon of the bizarre case that occurred in the Song family's mansion, which not only arrested the real culprit, but also thwarted the conspiracy of various forces coveting Jin's treasures. Eventually guarding the treasure at the expense of the sacrifice, thus sublimating humanity.