Online novel writer Chu Xiwei and his good friend magazine editor Zhu Rui were brought back from modern times by a mysterious force to the early Tang Dynasty when Emperor Gaozong and Wu Zetian co-ruled. With the help of their little benefactor Zhu Bao'er, the two sisters settled in a bamboo weaving shop in Luping Town, Tengzhou Prefecture. By chance, Xiwei was recruited into Prince Teng's Mansion to become Concubine Liu's teaching maid, and she had an emotional entanglement with Prince Li Xiuyu. By chance, Xiwei uncovered a murder case in the palace, and used her intelligence and determination to help the prince discover the traitor hiding in the palace. This book is the prequel to Jin He Zai. Since then, Xiwei and Ari formed an alliance with the young Taoist priest Xuan Yu and embarked on a journey to upgrade and fight monsters in the Tang Dynasty.