In her previous life, Su Xiyue helped Feng Yucheng to ascend the throne, but she was robbed of the throne by her concubine sister and died miserably.On the eve of her rebirth and marriage, she made a deal with her uncle Feng Qing.Occasionally, she saw fireflies when the flowers fell, thus opening up the exploration of life and nature, growing up in the predicament and realizing the true meaning of life.