On this '60s retro prequel to the bizarro-noir Bloodsucker's Handbook (AKA Enchiridion), Bloodsucker's Planet follows the crew of the area ship Argosy as they reply to a misery sign from the economic Planet Mara solely to find the planet is dominated by the sinister Mom Vampire. Alongside the way in which, they encounter disease-carrying Mara bats, a speaking area roach, and Adrianna, the gynoid whose creating self-awareness is aided by her assortment of classic romance comics.