Lin Zhien was adopted by Taoist Master Lingyue, a Taoist master, from an early age, and acquired a unique set of skills. Before her master ascended to the throne, she learned that she was the biological daughter of the Jiang family, the top wealthy family in Beijing. Coming down the mountain, she had a double mission. The first is to find and protect the mischievous junior brother Jiang Wan, who is born with a mysterious physique and is prone to evil spirits. If he is not protected in time, he may not survive the end of the month; the second is to return to the Jiang family and adapt to the life of a wealthy family, to deal with the difficulties of the fake daughter Jiang Lai and the conflict of his younger brother Jiang Si.