Gillian Holroyd (Kim Novak) is a modern-day witch living in Greenwich Village. A publisher named Shep Henderson (James Stewart) moves into the apartment above hers and she becomes interested in him. When she learns he is going to marry her college nemesis, Merle Kittridge (Janice Rule), the next day, Gillian uses her cat, Pyewacket, to cast a love spell on Shep. Shep is immediately enamored with Gillian and breaks up with Merle on the morning of their wedding. Gillian makes it so that author...