A 27-year-old programmer was unexpectedly visited by a mysterious fellow practitioner, who revealed his true identity as the inheritor of Taoist medicine. Under the guidance of his fellow disciples, he discovered the ancient Taoist medicine secrets and special needles left behind by his grandfather, and then embarked on the path of transformation from an ordinary working person to a Taoist medicine inheritor. In the modern city of Lingnan, he used Taoist medical techniques such as I Ching Bagua diagnosis, spells to exorcise evil spirits, and special acupuncture techniques to handle various supernatural medical cases - from the truth of acclimatization to strange family genetic diseases, from supernatural incidents in shopping malls to ghost stories on campus, from beheading 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 inheritance and modern life slowly unfolds...