The Xuanyuan family has been a family for generations. Because there was a quarrel between brothers in the ancestors, the family was almost ruined, so the family rules were set. The Xuanyuan family passed down from generation to generation that as long as a man was born, they would no longer have children. But unfortunately, when the single passed down to the ninth generation, fate seemed to have played a joke on the entire family, and a pair of twins unexpectedly appeared. Xuanyuan made a decisive decision and used Gu as a restriction. As long as one was injured, the other was equally seriously injured, hoping that this could avoid brothers fighting each other and destroying a century-old family business. Therefore, his elder brother Xuanyuan Ying had his identity hidden after he was born and was sent to a temple to grow up, where he learned martial arts and served as Xuanyuan Yue's secret guard.
Bai Xiaocha is a Chinese-American in the 21st century. She traveled through time at the age of 13 and became a saint in the land of the Southern Barbarians. After meeting Xuanyuan Ying and having a crush on her, she mistakenly thought that Xuanyuan Yue was Xuanyuan Ying. Afterwards, they experienced grievances and resentments, right and wrong, which were engraved in the hearts of the three of them. Even if they die a hundred years later, they will never dissipate...