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In the late 1950s, Gillian Holroyd (Kim Novak) is a modern-day witch living in New York City's Greenwich Village. When she encounters charming publisher Shepherd Henderson (James Stewart), she decides to make him hers by casting a love spell. Gillian takes added pleasure in doing so because Henderson is engaged to her old college rival (Janice Rule). However, Gillian finds herself actually falling for Shepherd, which poses a problem: She will lose her powers if she falls in love. Wikipedia