In a corner of the bustling city, the clinic known as Hall of the Hanging Gourd sits nearly deserted on a flagstone street. Lin Shen wears traditional Chinese clothing. On the surface, he is a doctor of traditional Chinese medicine, feeling pulses and treating patients. In truth, he carries on the legacy of the Xuanqing lineage and has mastered ancient martial arts and esoteric techniques. He drives out illness with silver needles and suppresses evil with arcane arts, safeguarding the hidden laws that keep yin and yang in balance beneath the shadow of modern civilization.
Su Wan, an executive at the Su Group, is brought together with Lin Shen by her father's strange illness. She assumes this is merely an ordinary doctor-patient encounter, unaware that she has long been drawn into a feud among practitioners of the arcane arts that has spanned a decade. Strange happenings at a construction site, corpse puppets hunting for lives, and the relentless advance of the Netherworld Cult push the two of them into the heart of a conspiracy. When Lin Shen is poisoned by a corpse toxin while saving her, and the Hall of the Hanging Gourd is besieged by a mysterious force, Su Wan finally realizes that this gentle, refined doctor is an heir to the arcane arts, coveted by the darkness.
The ancient Nine Needles Esoteric Canon conceals a shocking secret, while fragments of a broken jade reveal the truth behind her master's murder. With an arcane blade in hand and a compass beneath his feet, Lin Shen searches through ancient medical texts and esoteric techniques for a way to break the deadlock. Su Wan resolutely sets aside her identity as a corporate high-flier and fights at his side, using modern knowledge to support an ancient tradition.
A clash between medicine and sorcery, a bond of protection that spans yin and yang: as the city's neon lights mingle with ancient talismans, can they hold on to their calling to heal amid surging undercurrents and uncover the truth buried for so long?
