In order to protect the peace of the country, Princess Li Qian of the Zhou Dynasty volunteered to marry away from the enemy country Beidi to make peace. In the grassland royal court, she not only has to adapt to the cultural differences of the nomads, but also faces the palace intrigues, assassination traps and struggles with identity. With wisdom and courage, she gradually gained a foothold in Beidi, becoming a bridge between two hostile civilizations, and finally found morality and love that transcended the boundaries of home and country.