An ancient story of romance, war, and palace battles. The story begins with the male protagonist Xiao Yi and the female protagonist Lan Qian, who were childhood sweethearts. After the Xiao Mansion was in catastrophe and fell into despair, Xiao Yi joined the army, went from being a dead soldier to a border general, and experienced life and death several times. Lan Qian strategized in Kyoto and helped Xiao Yi escape from life and death many times. At the same time, the two of them identified the third prince, stirring up the situation in the capital. Finally, the third prince ascended the throne, and Xiao Yi and Lan Qian finally got married and retired to the mountains and fields.