When modern-day office worker Yoon Hae-rin finds herself inexplicably transported into the pages of her beloved historical romance novel, she discovers that living as a pampered nobleman's daughter in ancient Korea is far more luxurious than her exhausting corporate life. The silk hanboks, elaborate court ceremonies, and endless servants seem like a dream come true compared to her previous existence of overtime work and instant ramen dinners. However, her newfound paradise quickly transforms into something far more complex and dangerous when a single impulsive decision completely derails the carefully crafted story she once knew by heart. As the lines between fiction and reality blur, Hae-rin must navigate treacherous palace politics, mysterious supernatural forces, and her own growing powers while trying to survive in a world where one wrong move could mean death.
What begins as an escape from mundane reality evolves into a deadly game where the stakes are higher than she ever imagined, and the characters she once rooted for may not be who they seem. Ancient secrets buried within the kingdom's history begin to surface, revealing connections between her modern world and this historical realm that challenge everything she believed about fate, destiny, and the power of stories themselves. With each passing day, Hae-rin finds herself deeper entangled in a web of romance, betrayal, and dark magic that threatens not only her chance of returning home but her very soul. In a land where kings command absolute power and queens must be both cunning and strong, she must decide whether to fight for the story she knows or write an entirely new ending—one that might just save or doom them all.