Cursed monster hunter Shangguan Feiye, trapped in an inn for a thousand years, must team up with the inn’s amnesiac former owner Dongfang Zhaobai to break his curse. As they help mysterious guests resolve their lingering regrets, the two confront past misunderstandings and rediscover human emotions while confronting a powerful Demon King.

Eighteen years ago, a disaster swept across the palace. Taoist doctor Lin Xiao was ordered to relieve his suffering and save the people. Unexpectedly, eighteen years later, the terrifying mysterious virus attacked again, and Lin Xiao and his two apprentices Tian Xiaoxie and Dazhuang looked for a solution. After several fierce battles with the corpse, Tian Xiaoxie discovered the mystery of his life...