When the family fell into decline, {Su Yunxi} entered the palace as the daughter of a guilty minister and was reduced to the lowest level of Sasou palace maid, and was treated harshly. In a desperate situation, she awakened to the medical sage inheritance system. In the system, there lived a venomous and protective medical sage, who taught her step by step the heaven-defying medical skills.
In order to protect herself, she pretended to be a pig and eat the tiger, and played around with the confused little palace maid and the harsh hospital boss who made things difficult for her. By chance, she bumped into the Seventh Prince Xiao Jingyuan who was under house arrest in the Cold Palace - the prince who was rumored to be violent and autistic and shunned by everyone.
She originally wanted to take a detour, but because of his rare and hidden disease, she was forced by the medical sage to treat him. After getting along day and night, Su Yunxi discovered that this autistic prince was just a pitiful little man who lacked love. She cures his illness and warms his heart, but unexpectedly, her old lover Gu Yanze, the crown prince, suddenly enters the palace, causing waves. When the system skills are maxed out, she will not only counterattack in life, but also pamper this autistic prince into his own little puppy!