She was originally a noble princess, the eldest daughter raised by the overlord of the mountains, and a wild horse galloping on the grassland. However, due to an accident, she was exiled to the picturesque south of the Yangtze River and became a common citizen. She had to put down her majesty in order to survive. He is a descendant of Humen and became famous at a young age. He hopes to lead his men on the battlefield alone and protect his family and country, but he is depressed because of his strict father. He was a member of the former royal family, and had to bear the humiliation for revenge. He wanted to love but dared not speak. When they meet with very different identities, what kind of emotional entanglements will there be? When the hatred of the country and the family and the love of their children are before their eyes, what choice will they make?