In Hell, imp Blitzø runs an assassin business targeting the world of the living, using a spell book borrowed from a prince of Hell. With employees Moxxie, Millie, and Loona, they attempt to survive each other while keeping business afloat.
In an 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.
Charlie pursues her goal of rehabilitating demons to reduce overpopulation in her kingdom. She opens a hotel assuming patients will check out to heaven. Most of Hell mocks her goal, while Vaggie and film-star Angel Dust, stick by her side.