Su Yao was born in a family of doctors and poisoners. She fled the Medicine Valley because she was dissatisfied with her family's practices. She made a name for herself in the capital with her medical skills. She also rescued the prince Xuanyuan Yi who was injured while on patrol incognito. The two secretly fell in love. After entering the palace, she was framed by the queen and the imperial doctor. During her escape, she was helped by a mysterious organization to find ancient medical and poison books. Su Yao used her wisdom and medical skills to clear her grievances, and turned the tide when neighboring countries invaded and epidemics raged. She finally retired to seclusion with Xuanyuan Yi, leaving behind a legendary story.
