Xiao Le, a daughter of Da Su's general family, is bright and kind, and offers her sincerity to Xue Zhao, a hostage from the enemy country who is studying in the palace. In front of flowers and under the moon, childhood sweethearts, the two made ignorant vows. However, the gap between home and country is difficult to cross, the hostage's identity is like a sharp knife, General Xiao's warning, and the beacon smoke at the border finally make Xue Zhao ruthless and determined to cut off the relationship. A truly wrongful sadomasochism, a fetter pulled by fate, the love is broken and the love is deep, their story slowly unfolds between love, hate and family and country.
