Su Yao is the legitimate eldest daughter of the Duke of Dingguo's household, and from the moment she was born, she was considered her family's pride. Clever and quick-witted from a young age, she excels at music, chess, calligraphy, and painting, earning the praise of her family and everyone around her. At a palace banquet, Su Yao meets Crown Prince Xiao Yichen, and the two fall for each other. But happy times never last. After the Duke of Dingguo's household is framed by villains, it is destroyed overnight. Su Yao falls from the heights of privilege to become a prisoner, suffering every humiliation.
In prison, Su Yao meets a mysterious old man. Seeing her exceptional talent, he teaches her peerless martial arts and the art of strategy. Through sheer perseverance and talent, Su Yao studies hard and, with the old man's help, finally escapes prison.
After her escape, Su Yao takes the name Su Yue and sets out on her path of revenge. First, she uses her medical skills to enter the largest medical clinic in the capital, becoming a highly acclaimed female physician. There, she meets many powerful and influential people, building an extensive network of connections.
By chance, Su Yao discovers that the masterminds who framed the Duke of Dingguo's household are none other than Second Prince Xiao Yixuan and her own younger sister, Su Wan. To avenge her family, Su Yao decides to get close to Xiao Yixuan and find a chance to expose his crimes. As she approaches him, Su Yao meets Xiao Yichen again. He now knows who she is, and, heartbroken by all she has suffered, decides to help her take revenge.
With Xiao Yichen's help, Su Yao gradually obtains evidence of Xiao Yixuan and Su Wan's crimes. At a palace banquet, she exposes their crimes in front of everyone, causing an uproar.
