As the eldest princess of the Tang Dynasty, Tang Yuanyuan did not expect that her father only gave birth to a daughter. Outside, there were foreigners who were eyeing her, and there were uncles inside who wanted to seek power and usurp the throne. She had to work hard to be the crown princess and ensure that the family property would not be taken away. An unexpected encounter led to her meeting the only son of the Zhenguo family, Ning. As the son of the Duke of Zhen, Zhiyuan is determined to defend his country, eliminate enemies, and give the people a peaceful and contented life. As they gradually get to know each other, the two gradually come together and develop a small flame of love. In the end, they work together to resist foreign enemies, prevent the emperor's uncle's conspiracy from succeeding, and bring a peaceful and happy life to the people.
Mission: Family and country are great, and family, friendship, and love are indispensable.