Scholar Who Walks the Night

Yang Sun, a young woman disguised as a male book peddler, encounters the mysterious and handsome scholar Kim Sung Yeol, who is actually a vampire. She is tasked with finding a secret book that contains the key to destroying the powerful vampire Gwi, who secretly controls the Joseon royal court.

Kim Sung Yeol discovers that Yang Sun bears a striking resemblance to his lost love Myung Hee from 120 years ago, stirring deep emotions within him. Yang Sun continues her search for the secret book while navigating the dangerous political intrigue surrounding the crown prince.

Yang Sun gets caught up in a dangerous situation involving the royal court and comes face to face with the terrifying vampire Gwi. Sung Yeol intervenes to protect her, further deepening the connection between them as he struggles with his feelings tied to her resemblance to Myung Hee.

The crown prince enlists Sung Yeol's help in a secret plan to overthrow Gwi's control over the palace, revealing that the secret book is the key to Gwi's destruction. Yang Sun becomes more deeply entangled in the conspiracy as her true identity and family background begin to surface.

Yang Sun learns more about Sung Yeol's tragic past and his centuries-long mission to defeat Gwi, who has manipulated the royal bloodline for generations. Gwi grows suspicious of the activities surrounding the crown prince and begins investigating those close to him.

Sung Yeol and Yang Sun grow closer as they work together to uncover clues about the secret book's location, but their budding relationship is complicated by the danger surrounding them. Gwi tightens his grip on the palace, eliminating those he suspects of conspiring against him.

Yang Sun's true identity as a woman is revealed to Sung Yeol, adding a new layer of complexity to their relationship. The crown prince's plan to use the secret book against Gwi faces a serious setback as Gwi closes in on their conspiracy.

Gwi captures someone close to Sung Yeol and Yang Sun as leverage, forcing them into a desperate situation. Sung Yeol must confront the limits of his power as he faces the full force of Gwi's wrath and cunning manipulation.

The search for the secret book intensifies as Sung Yeol and the crown prince piece together more clues from the past. Yang Sun is placed in grave danger when Gwi discovers her connection to Sung Yeol and uses her as a pawn in his schemes.

A shocking revelation about Yang Sun's lineage connects her more deeply to the long struggle against Gwi and the secret book. Sung Yeol struggles to protect her while keeping his vampire nature in check as his feelings for her grow stronger.

Gwi launches a direct assault on those protecting the secret against him, resulting in devastating losses for Sung Yeol and his allies. The crown prince is forced to make a difficult choice that puts the entire mission to defeat Gwi at risk.

Sung Yeol and Yang Sun share a pivotal emotional moment as the weight of their impossible situation becomes clear, with Sung Yeol's vampire nature standing between them. New information about the secret book's contents brings both hope and greater danger to the group.

Gwi moves to consolidate his power by manipulating the king and turning the court against the crown prince, threatening to dismantle the rebellion entirely. Sung Yeol discovers a critical piece of the puzzle regarding how the secret book can truly be used to destroy Gwi.

Yang Sun is captured by Gwi, who intends to use her to draw out Sung Yeol and crush the rebellion once and for all. Sung Yeol must devise a daring rescue plan while keeping the secret book out of Gwi's hands.

A daring rescue attempt puts Sung Yeol and his allies in direct conflict with Gwi in the palace, leading to a fierce and costly confrontation. The crown prince's position grows increasingly precarious as Gwi manipulates the king to act against him.

The rebellion suffers a significant blow as Gwi outmaneuvers them politically and physically, forcing Sung Yeol and his group to regroup and rethink their strategy. Yang Sun takes a more active role in the mission, determined to help Sung Yeol despite the dangers.

Sung Yeol uncovers the full truth about the secret book and what sacrifice is truly required to destroy Gwi, a revelation that weighs heavily on him. Gwi escalates his terror on the populace to draw out his enemies and assert his dominance over Joseon.

The final pieces of the plan to defeat Gwi come together, but the cost may be Sung Yeol's own existence, forcing him and Yang Sun to face the reality of their farewell. Gwi senses the endgame approaching and prepares for a final, decisive confrontation.

All forces converge for the climactic battle against Gwi, with Sung Yeol, Yang Sun, and the crown prince making their final stand against the centuries-old vampire. Sacrifices are made and long-held secrets are fully revealed as the battle reaches its devastating peak.

The final confrontation with Gwi concludes as Sung Yeol uses the secret book's power in a last desperate act to end Gwi's reign of terror over Joseon. The drama closes with the aftermath of the battle and a bittersweet resolution for Sung Yeol and Yang Sun's love story, offering a hopeful yet poignant ending.