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.

In a post-apocalyptic future where an event known as "The Quiet Rapture" caused all known stars and habitable planets in the universe to disappear, a convict is sent to search an ocean of blood discovered on a desolate moon, using a small submarine nicknamed the "Iron Lung".