Teenager Rachel (Linda Blair) has her world turned upside down when her cousin Julia (Lee Purcell) comes to live with the family. As Julia steals away Rachel's friends and family, Rachel comes to the realization that Julia is a witch -- and she may not really be her cousin.

Directed by Wes Craven, this movie of the week is based on the novel "Summer of Fear" by Lois Duncan, and it's been released on video and DVD under that title. Also stars Macdonald Carey, Carol Lawrence and Fran Drescher.