When The Charmed Ones vacation, they end up in the midst of a B&B run by a crotchety old woman and her mysterious granddaughter! They find the whole town is teeming with odd occurrences. Rumor has it that a powerful natural energy source called Mystic Knoll and a dark family history is responsible for a curse on the town! Can the sisters solve the mystery and save the innocents from impending danger?