The decree arrived for Royal Concubine Kang Dan-sim – a sentence of death delivered through subtle poison. Yet, upon awakening, she discovered a world utterly transformed, finding herself adrift in the vibrant landscape of modern-day Korea.

Adjusting to this unfamiliar world proves challenging for Dan-sim, and her unconventional nature soon draws the notice of Cha Se-gye, a wealthy heir, who offers her a proposition.

Se-gye found himself unable to shake thoughts of Shin Seo-ri—particularly after a peculiar dream stirred unfamiliar feelings deep inside him.

As Dan-sim pieces together fragments of Seo-ri’s history, the deepening bond between Se-gye and Seo-ri creates a confusing interplay of emotions that compels them both to confront what lies beneath the surface.

Bewildered by Seo-ri’s enigmatic nature, Se-gye throws himself wholeheartedly into winning her affection. Afterward, Seo-ri navigates a difficult situation involving a troublesome colleague and the complexities of studio dynamics.

Seo-ri and Se-gye journeyed to Jeju Island, but an unexpected crisis left Se-gye visibly shaken. Afterwards, Seo-ri disappeared, prompting a concerned Se-gye to set off in pursuit of her.

As Seo-ri’s affection for Se-gye deepened, a shadow of uncertainty began to fall upon it, fueled by the sudden appearance of Mo Tae-hee and her own undeniable interest in Se-gye. Then, without warning, Se-gye found herself embroiled in diff…

The announcement of Tae-hee’s impending marriage to Se-gye sent ripples through the media, provoking considerable displeasure from Se-gye herself and igniting a fresh wave of envy in Seo-ri. Simultaneously, Choi Mun-do presented Seo-ri with…

Se-gye directly questions Seo-ri regarding her true nature – just who is Dan-sim? Confronted by this demand for honesty, and compelled to reckon with her history, Seo-ri resolves her feelings toward Se-gye.

Now that the connection between Seo-ri and Dan-sim is known, Se-gye and Dan-sim publicly acknowledge their relationship. Meanwhile, a wrathful Mun-do seeks retribution through increasingly desperate measures.

Dan-sim awoke to discover she’d been cast adrift in time, returned to the Joseon dynasty. As she desperately sought a way back to her own century, Se-gye navigated the tangled consequences of Mun-do’s machinations.

The paths of Dan-sim and Seo-ri began to converge. Se-gye led Dan-sim to a meeting with someone significant in his life, only for her to disclose a stark truth: their time was dwindling.

A sudden decline in Seo-ri’s grandmother’s health cast a shadow over their lives. Soon after, Dan-sim faced an agonizing choice—a demand that threatened to unravel her relationship with Se-gye.

Dan-sim's choice sends her back to the Joseon era, leaving Se-gye heartbroken and alone in the modern world. Will fate allow them to reunite?