Chu Anniang, a strong butcher girl, sells herself to the Wen Manor to pay for her mother’s treatment and takes care of Wen Yanzhi, whose legs are broken. They bicker constantly but gradually rely on each other. She punishes corrupt stewards and saves the Wen family from rivals. She finds his injury was caused by poison. She ventures deep into mountains to get bear gallbladder. Moved by her loyalty, the emperor appoints her as a female imperial guard. She heals her mother and marries Wen Yanzhi.