Chen Nan practiced martial arts in the mountains since he was a child, but his master drove him down the mountain to hold a jade pendant and get married. On the way, he rescued Li Huiran who was being hunted and learned that she was his fiancée's sister. After arriving at the Li family, the eldest lady Li Huining regretted her marriage on the spot. Li Huiran took the initiative to marry her sister, hoping to use him to save the family company. The two agreed to get married by contract. Originally, they each took what they needed, but Chen Nan rescued her from danger many times, and Li Huiran gradually fell in love with her husband from the mountains.
