Yan Xiaoluo grew up in the heavenly palace. Because his father, the old King of Hell, retired due to a herniated disc, he became the King of Hell, commanding 100,000 ghost soldiers and managing countless ghosts. However, because he was timid and afraid of ghosts, he often went to the mortal world to practice courage, mainly solving cases caused by various evil spirits... He found many demonized Eastern souls in the mortal world. After investigation, he found that it was the Western Continent that was secretly making trouble. From then on, he started the road to stop the evil forces in the Western Continent...