The male protagonist is a prince, the younger brother of the current emperor, and he is the daughter of the same mother. The hero and heroine often played together when they were children. Originally, the parents of the two families had a good relationship and often joked about making a baby wedding for them. Due to physical reasons, the male protagonist believes that he is not worthy of the female protagonist and does not dare to express his feelings, but he keeps asking about the female protagonist's current situation. The heroine was born into a general but has been studying medicine. Her father and mother are both generals who protect the country and have made great achievements in war. In a battle with the Xiongnu, both of them died, leaving the heroine alone. The Xiongnu leader heard that the only daughter of the Sang family was beautiful and took the opportunity to ask the court for the heroine's hand in marriage. Because of this incident, the two got married. The male protagonist is extremely indifferent to worldly affairs, but he is always annoyed by the female protagonist. One of them serves as a military advisor, and the other serves as a medical officer to guard the border. The heroine always thought that the hero didn't like her, but she secretly fell in love with her every day. In the end, the two expressed their feelings to each other and grew old together.
Intention: No one is born strong, but when he carries some missions and beliefs, he will gather hope. The hero and heroine care about their family and country, and become more mature in each other's company, becoming each other's light.