The Young Marshal's Number One Favorite

In the early years of the Republic of China, the situation was chaotic and wars broke out. He picked her up from the street when she was very young, because his family lost a daughter and her mother became increasingly depressed, so she became a spiritual medicine. He is the legitimate son of a handsome man who cares about his family, country and the world, and is a hero in the eyes of everyone. And she is just an ordinary girl. Her world is so small that he is the only one. So from the day they met, their relationship was destined to have many ups and downs. It is said that companionship is the longest confession of love. Lin Xi is a companion to Gu Chengxuan, and Gu Chengxuan is a habit to Lin Xi. By some mistake, he lost her. Everyone thought she was dead, and he was the only one who kept searching for her. The first acquaintance was heart-pounding. Falling in love is about overcoming obstacles. Staying together is far away. This is a story about parallel time and space, meeting again, a familiar face among millions of people, is it another wrong love, or the return of an old friend?