October 31, 1693, near Salem, Massachusetts, Thackery Binx sees his little sister, Emily, spirited away to the cottage of three witches. There, the Sanderson sisters, Winifred, Sarah and Mary, cast a spell on Emily to absorb her youth and regain their own. Thackery confronts the witches who transform him into an immortal black cat cursed to live forever with his guilt for not saving Emily. The townsfolk, led by Binx's father, capture the witches. But before being hanged, Winifred's spellbook casts a curse that will resurrect the witches during a full moon on All Hallows' Eve when any virgin lights the Black Flame Candle.