This story unfolds in the seemingly ordinary modern city of Jiujiang, where a world shrouded in supernatural shadows lies hidden. The protagonist, Chen Ge, inherits a dilapidated haunted house and a mysterious black cell phone from his parents. By completing supernatural missions issued by the mysterious phone, Chen Ge delves into various supernatural urban legends, striving to keep the haunted house afloat and uncover the truth behind his parents' disappearance.

From an abandoned hospital filled with resentment to a cursed deserted village, he discovers that the real world, through an invisible "door," connects a blood-red space composed of extreme human emotions to a sea of ​​black mist. Beneath the terrifying and bizarre surface, Chen Ge continuously helps humans and ghosts resolve their obsessions, exploring the secrets of humanity and the truth of this blood-red world.

(Source: Tencent, translated)