After his uncle's business fails, William Twining, an intelligent young noble, finds himself in a dire financial situation. With no funds for his school tuition, he searches his house until he comes upon the basement. There, he accidentally summons Dantalion, who recognizes William as a descendant of Solomon, and the Elector—the individual that will choose a substitute ruler for when the Emperor of Hell, Lucifer, rests. From that moment on, William's life turns upside down!