Liang Yuejian, the noble eldest princess of Great Liang, would do anything to save Xiao Jue, a gloomy, restrained prince held hostage in an enemy kingdom. She used herself as bait, stirred up the court, and helped him return home to fight for the throne. At first, they shared a tender affection. She hid behind a carefree facade and made the first move, clearing every obstacle in his path. But when he ascended the throne, he gave her a marriage edict to a foreign land and locked her in a gilded cage. Once his tenderness lay in ruins, she learned she had been a pawn in his revenge against the enemy kingdom, used to lure out a villainous rival. Amid a tortured romance and the hatred between their nations, she would carry out a grand, tragic plot to bring down a kingdom, completing her final act of murder and redemption.