In order to avenge his sister's family, Feng Qingsui sneaked into Ji Mansion and hid in Ji's Mansion under the guise of Ji Changfeng's widow. She possesses superb medical skills, and uses this to deal with the powerful, gradually collecting evidence, and one after another exposing the prince's murder of children, the queen's framing of loyal ministers, and many other crimes. On the way to find out the truth, she and Ji Changqing were wary of each other at first, but gradually became connected with each other. The two work hand in hand to smash the sinister conspiracy of the Crown Prince and the Queen and clear their past grievances. After the dust settled, the two stayed away from the disputes in the court and retired to the countryside to spend the rest of their lives together in peace.
