The twin sisters Crystal and Diamond are born in NEW OR-LEANS, in the middle of the times of slavery, in 1888 under tragic circumstances. Shortly after their birth, their parents die, again under mysterious circumstances. In addition, a sinister fellow soon appears on the scene who embodies nothing less than the devil himself: BELPHEGOR. He tries to win over the twins' foster parents and later the twins themselves to his dark intentions, with the aim of establishing terror and world domination. Will he succeed?