On this day, Ke Yao received a letter from her deceased grandmother. The letter said that an ancient house named Qiyunju was to be inherited to her. Driven by curiosity, Ke Yao came to the address written in the letter, only to find that there were strange things everywhere. He also met Shen Mo, who claimed to be the "night watchman". Together, they solved the mysteries about this ancient house one after another, and their relationship also underwent complex changes...
Concept: People's greatest fear is to face their hearts