Lu Yunzheng, a young medical practitioner from Yuntai Mountain, obeys his master's order to descend the mountain and fulfill an old engagement set by their elders in their early years. After getting acquainted with the self-reliant and resilient Su family heiress, Su Wanyin, he relies on his exquisite traditional acupuncture medical skills to help her regain her health after suffering from leg ailments. The two join hands to find out the truth behind the theft of the medical spectrum and the old family case, prevent unscrupulous people from abusing medical formulas for profit, carry forward the original medical intention of saving the world, and also find a sincere and good relationship through thick and thin, jointly writing a struggle chapter of self-reliance and self-improvement.