In her previous life, the heroine Su Qingyuan was framed by Crown Prince Xiao Jingyuan and her half-sister Su Lian'er, leading to her entire family being executed. Reborn on the eve of her coming-of-age ceremony, she sets her revenge plan in motion. She sees through her half-sister's schemes, publicly rejects the marriage and face-slaps the crown prince, then joins forces with the secret guard Xie Lin and the Third Prince to foil the crown prince's plots time and again. In the end, she helps the Third Prince ascend the throne and finds happiness with Xie Lin, keeping Great Jing safe and peaceful.
