In attempt to find a non-violent alternative for reducing Hell's overpopulation, the daughter of Lucifer opens a rehabilitation hotel that offers a group of misfit demons a chance at redemption.

Amid a tense inheritance fight, a charming heir clashes with his hardworking employee who's known for her irresistible smile — which he cannot stand.

Ban Ji-eum can endlessly reincarnate. But when her 18th life gets cut short, she dedicates the next one to finding her now grown-up childhood love.