TW

In the remote, mist-shrouded province of Gwangju, Kim Min-jun, a brilliant but fragile-hearted scholar, lives a life of quiet servitude. His gentle nature and innocence make him an easy target for exploitation by his superiors, including the iron-fisted Magistrate Kang Se-ho, who views the local mountain as a symbol of "impure" chaos that must be purged to restore the region’s moral order. While performing a survey of the forbidden northern peaks under Kang’s orders, Min-jun accidentally shatters an ancient seal, inadvertently binding his life force to Lee Hwan, a predatory and ancient mountain deity who has been dormant for centuries. As Hwan begins to manifest through Min-jun, the scholar is thrust into a volatile, supernatural existence. Their connection is one of dangerous dependency: Hwan needs Min-jun’s vitality to retain his physical form, while the deity’s dark, untamed magic begins to consume the scholar’s humanity. Adding to the tension is Park Seo-yoon, a breathtakingly beautiful and enigmatic figure—a spirit of secrets disguised as a high-ranking Gisaeng—who wields an enchanted fan. Seo-yoon observes the duo with a mix of amusement and predatory jealousy, playing a triple-agent game that forces Min-jun and Hwan to navigate a web of court intrigue and lethal deception. As Min-jun’s only friend, Choi Young-ho, begins to uncover the terrifying transformation of his companion, Min-jun must navigate the collision of his own burgeoning, forbidden desires and the ruthless political machine of the Joseon era. Caught between a deity who wants to consume him and a government that wants to destroy him, Min-jun discovers that the ultimate price for his newfound power—and his intense, carnal bond with Hwan—may be his very soul.