There are some things in this world that mortal eyes should never witness -- that's a lesson poor Harvey Kinkle will learn the hard way, when he makes the unfortunate mistake of intruding on the darkest of ceremonies -- an offense that the witches' coven takes very seriously. Though Harvey's life hangs in the balance, it is the Spellman family that will come face-to-face with true evil. Indeed, the choices made by teen-witch-in-training Sabrina on this dread night will determine the fate of every living soul in Greendale.