In the previous life, Shen Xiuyan, the concubine of the Shangshu Mansion, was plotted by her aunt and eldest sister and became their stepping stone, and was eventually abandoned in a mass grave. Reborn when she was fourteen years old, she returned with the memories of her previous life and her superb ability to use poison. In this life, she vows to reveal the true face of her hypocritical family, to take revenge and to repay kindness. On the way to revenge, she unexpectedly crosses paths with the mysterious and frail prince Xie Xuan. The two use each other to fight side by side, and are involved in the court turmoil together.
