Public hospital doctor Shen Yanzhou, unwilling to cooperate in forging medical records to take the fall, suffers suppression and resigns, encountering relationship breakdown and plunging into a low point in life burdened with debt. By chance, he unlocks the ancient medical heritage passed down by his ancestors, acquiring lost acupuncture techniques and ancient prescription knowledge. He opens the Taixuan Medical Clinic, adeptly treating numerous difficult and complicated patients, and relying on his true skills exposes the conspiracy of lawless individuals using traditional knowledge to set traps and make profits, protecting the peace of the local people. In this process, hand in hand with the independent and capable female engineer Xu Zhiwei, and after going through severe tests, he reaps a career and sincere love.