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.
A team of intergalactic warriors fights to protect the Earth, but the combination of three highly trained beings and one quirky young boy leaves the team struggling to overcome the dangerous scenarios that are put in front of them.
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.