A love story spanning life and death between Su Yao and Prince Li Chengyu. The two met for the first time in the Royal Garden, and their love grew secretly. They went through ups and downs together. However, the cruelty of the court struggle and Li Chengze's conspiracy gradually drew the two into the abyss. The Su family was massacred, Li Chengyu was falsely accused of rebellion, and Su Yao burned herself to protect evidence. Although Li Chengyu finally ascended to the throne, there was an irreparable rift between him and Su Yao. After Su Yao was reborn, she vowed to change her destiny, reveal the truth, and avenge Li Chengyu, but in the end she found that the distance between the two could no longer be bridged, so she chose to die to make her ambition known. After Su Yao's death, Li Chengyu worked hard to govern and became a wise king, but he never established a queen in his life. He only had Su Yao in his heart.