Mysterious and otherworldly, this Korean fantasy drama unfolds at a peculiar hotel that caters exclusively to ghosts, serving as a waystation between the living world and the afterlife. The establishment is managed by the stunning but volatile Jang Man-wol, played by IU, a centuries-old woman cursed to run the hotel due to a grave sin from her past. Her cold, capricious demeanor hides a deep, lonely sorrow. After a supernatural incident, she is forced to hire a new human manager, the meticulous and overly cautious Goo Chan-sung, portrayed by Yeo Jin-goo. A perfectionist from a top hotel chain, Chan-sung is terrified of the ghostly clientele but must assist Man-wol in resolving their unfinished business. As he navigates the hotel’s eerie, beautiful halls, he begins to uncover the tragic secrets behind Man-wol’s eternal imprisonment. Blending gothic romance with poignant, episodic ghost stories, the series explores themes of regret, redemption, and the transformative power of love, all wrapped in stunning visual aesthetics and a hauntingly melancholic tone.