The male protagonist's uncle was killed by the Crown Prince of Jiang Kingdom. On his way to escape, he met the female protagonist who was playing in the palace.The heroine thought that the hero was just a civilian injured by the war, so she used her own life to help the hero escape. Therefore, the hero fell in love with the heroine and vowed to come back to find the heroine in the future.Many years later, the male protagonist defeated Jiang Guo and the female protagonist was captured.The male protagonist, who has returned victorious and has taken revenge, is eager to find the sweetheart who saved him when he was a child.But he didn't expect that A Yuan, whom he longed for, was Princess Jiang who was humiliated and tortured by him.After learning the truth, the male protagonist tried his best to make amends, but he did not want the female protagonist to sacrifice her own life for peace between the two countries, so she jumped from the tower.