On her 13th birthday, Marnie (Kimberly J. Brown) learns that she comes from a family of witches and that she too is a witch. Soon she and her younger siblings return with their estranged grandmother, a good witch (Debbie Reynolds), to her home in Halloweentown, where witches, goblins, and vampires lead normal lives. Marnie soon discovers that an evil force is plotting to take over Halloweentown, and she must help her mother and grandmother to save the day.
