Xiang Yun was originally a cloud, but was turned into a fairy by Yue Laodian, and started working in Yue Lao Pavilion. Chu Kong is a disciple of the Uri Xingjun constellation. He strayed into Yue Lao Pavilion and was treated as a villain. Chu Kong accidentally broke Xiang Yun's fan, so the two quarreled and accidentally messed up the red string, which led to the marriage of the three worlds. The Jade Emperor knew about the chaos, and his punishment to them was that they could not go back to heaven until after the seven lives of love, and so their story began.
The story tells about various bizarre mysteries such as "Blood Soul Forest", "Pouling Town", and "Ghost Valley" that Bao Zheng experienced in his youth on his way to Beijing to rush to the exam.
Ye Mu, a 21st-century girl, unexpectedly enters the world of an ancient book and becomes a mistreated daughter in a general's household. To return to her reality, she must protect Mo Linyuan, a young slave with a significant future. As she helps him grow stronger, their relationship deepens, and together, they face numerous challenges, learning the importance of trust and courage.