Guizhou medical prodigy Luo Xiaowei marries into a wealthy Nanyang clan in her younger sister’s stead. On their wedding night, she accidentally enters the bedroom of her wheelchair-bound husband Gu Xingcheng. Her uncanny silver-needle therapy subdues all defiance, while he has spent years plotting revenge in secret. Bickering and pricking each other at first, they later stand side by side to crack crises. Amid noble-family power struggles, they grow fond of one another and turn the tide via livestream farming aid, finally tying the knot.