School just got Grace and her four best friends, Jenny, Rachel, Adie and Una, are failed witches - and they have a notebook full of useless spells to prove it. Until one night, they accidentally unlock a portal into another world - and the notebook assumes a demonic life of its own. The girls watch helplessly as one by one, their spells start to work, moving pitilessly towards the worst one of A possessed best friend, a terrifying local witch, a haunted cottage - do Grace and her friends have enough skill and courage to stem the powerful magic gushing from the Demon Well? And can they do it before something tragic happens?