As the eldest son of the Daliao Dynasty, Su Lin should be established as the prince according to the ancestral system. However, the return of the younger brother Su Yan was like a pebble thrown into the calm harem, immediately causing huge waves.
A cherished friend, a beloved sister, a respected father, and a sad mother. In the face of emotions that go against common sense, how to choose between the throne and ambition, between protection and determination?
When the person he has always protected is facing each other with swords, who should he trust?