Seventeen-year-old Morgan makes a surprising discovery: witchcraft is an intrinsic part of who she is--and who she will become! Morgan thinks witchcraft is laughable when her best friend Bree drags her to a meeting of the Cirrus Coven. But during a ceremony led by Cal, Morgan's long-time crush, Morgan feels a shock. Suddenly everything looks brighter, clearer. Morgan doesn't want to get involved with witchcraft--but she feels like witchcraft is choosing...

Morgan learns about her roots as a witch and the origins of a particularly evil spell when she reads the manuscript her boyfriend found in Canada, a book by her ancestor, Rose MacEwan, a seventeenth-century Scottish witch.