A 27-year-old programmer was accidentally caught by a mysterious fellow disciple, revealing his true identity as the inheritor of Taoist medicine. Under the guidance of his fellow disciples, he discovered the ancient Taoist secrets and special needles left by his grandfather, and since then he embarked on the path of transformation from an ordinary workplace person to a Taoist inheritor. In modern cities in Lingnan, he used Taoist medical skills such as the Eight Trigrams of the Book of Changes, talismans and exorcises of evil, and special acupuncture to deal with various supernatural medical cases - from the truth of being unacceptable to the local environment to family genetic strange diseases, from supernatural events in the shopping mall to campus strange talks, from witchcraft to raising ghosts and harming people. In the daily supernatural medical cases of the bright line and the secret exploration of the inheritance of the dark line, a warm story about the integration of traditional cultural heritage and modern life slowly unfolds...