One is General Xiao, who protects his family and country, and the other is Princess Cheng Jin, the emperor's biological sister. The two have known each other since childhood, but due to their status, they could not be together. In the end, they both died outside the city gate in the snowy sky. - -A red thread draws out their past friendship. Will they make the same mistakes again in their next life?
Concept: Is it fate or fate between people?