Trixie Belden and the Mystery of Whispering Witch

Trixie and Honey make friends with a new girl in town who lives at a mansion that is supposedly haunted by a witch's ghost. After the girls witness some "ghostly" activity, their new friend confesses she believes she is possessed by the witch's ghost. Trixie becomes determined to help the troubled girl and discover the truth about the Whispering Witch.