Reborn as a doctor, he takes revenge and ruthlessly punishes the scum.

In her past life, she married a penniless man. She scrimped and saved for him, served her in-laws, and raised her brother-in-law and sister-in-law. Even when her in-laws were difficult and her brothers-in-law and sister-in-law caused trouble, she gritted her teeth and endured it all. However, after he achieved great success in the imperial examinations, he turned around and seduced the princess. To get rid of her, they framed her entire family and had them beheaded. They even had another man defile her, claiming she was unfaithful. In the freezing cold, they together forced her and her three-year-old son to drink a deadly poison. She endured the excruciating pain in her abdomen, clinging to her mother, her face pale and bleeding from her orifices, yet she still managed to raise her small hand to wipe away the blood...