The main story is about the arranged marriage between Xie Nan'an, a general guarding the southern borders and 13th son of the reigning emperor, and Xiao Jia, the youngest daughter of Prince Ruyang. The ML knows that the marriage is a trap set by the FL's family but they still end up falling in love. After three years of marriage, the FL becomes pregnant and begins to miss her home so the ML secretly accompanies her along with some of his most trusted soldiers but when they arrive at the mansion an ambush occurs and the ML is captured and imprisoned. After being arrested the ML is informed that his son was aborted. The ML obviously thinks the FL betrayed him.

After 7 years in prison, the FL meets ML again in his cell and from the FL's attitude and actions it is clear that she still in love of him and even though the ML believes that he hates her also realize that he also love her. At this meeting, the FL informs ML that her brother has become emperor and asks to the ML to swear loyalty to the emperor and go back to the southern border. The ML tells her that this would mean that he would be known to the world as a traitor to the Xie house to which the FL replies that all she wants is for him to live even though they won't be able to be together. The ML feel the same thing he wants her to live. That meeting turns out to be the last that the protagonists will have since the ML swears loyalty to the new emperor and returns to guard the southern border while the FL stays in the capital. Neither of them remarried or at least that is what the author implies.