Centuries ago, Weol-ju suffered a tragic death under a sacred tree after the crown prince, whom she loved, betrayed her to appease his mother. Her grief and suicide cursed the tree, plunging the nation into turmoil. In the afterlife, the King of the Underworld sentenced Weol-ju to a grueling penance: she must resolve the grudges of 100,000 human souls by entering their dreams through a mysterious, mystical pop-up bar.Operating alongside Weol-ju is Chief Gwi, a former underworld detective who has spent centuries watching over her, haunted by his own unfulfilled past. Their isolated dynamic shifts dramatically with the arrival of Han Kang-bae, a naive and compassionate part-time worker at a supermarket. Kang-bae possesses a rare supernatural affliction: anyone who makes physical contact with him is immediately compelled to confess their deepest, darkest secrets. Desperate to rid himself of this curse, Kang-bae agrees to work at the pop-up bar in exchange for Weol-ju’s promise to cure him. Together, this unlikely trio forms a supernatural dream-team, navigating the emotional baggage of the living and the dead.Each episode presents new clients battling modern human suffering—workplace exploitation,
unrequited love, familial estrangement, and corporate greed. Weol-ju, Gwi, and Kang-bae slip into the subconscious realm of these individuals, battling internal demons and malevolent spirits to heal psychological wounds. Along the way, the trio faces increasing interference from the Underworld’s enforcement agencies, particularly as Weol-ju’s deadline to reach 100,000 souls looms dangerously close with only a handful of souls remaining.As they work together, deep personal connections form, revealing shocking reincarnated ties between them. It is ultimately revealed that Chief Gwi is actually the reincarnated spirit of the tragic crown prince, while Kang-bae is the reincarnation of the child Weol-ju lost before her suicide. This revelation brings immense
emotional turmoil, forcing Weol-ju to confront her centuries-old resentment and the painful truth of her past betrayal.The climax converges on a fierce battle against an evil spirit threatening the living world, which happens to possess someone close to them. To save Kang-bae and the mortal realm, Weol-ju faces the ultimate sacrifice, risking her soul's eternal annihilation. However, her profound capacity for forgiveness and love ultimately redeems her. The curse is finally broken, the remaining quota is fulfilled, and Weol-ju is granted the chance to transition peacefully. In a heartwarming conclusion, the barriers of the afterlife are temporarily lifted, allowing Weol-ju to return to the mortal realm. She joyfully reunites with Gwi and Kang-bae, choosing to continue running their beloved pop-up bar together as an eternal, chosen family.