Under the surface of the bustling city "Hoshigaki City", there is an unknown world of supernatural powers lurking. Courier Lin Mo used to live an ordinary life until one day he accidentally awakened a rare and dangerous power - [Emotion Devouring], which can absorb and control other people's emotions, and even transform them into his own power.
With the awakening of his abilities, Lin Mo was involved in a secret war between superpowers, and discovered that the disappearance of his sister Lin Xiao was related to the mysterious organization "Pure World Society". In order to find his sister, he had to cooperate with the official supernatural agency "Bureau of Order" and deal with various forces. However, during the investigation, he gradually uncovered a larger conspiracy: the Jingshi Society was planning a disaster that could overturn the entire city, and Lin Xiao was actually the key to it.
Faced with the escalating crisis and the risk of losing control of his abilities, Lin Mo must make a choice between protection and destruction. Can he control the "undercurrent" in his body, save his sister, and prevent the destruction of the city?
