Wes Craven's Summer of Fear

A chilling cult classic, Wes Craven’s Summer of Fear (1978) follows a country family of five who take in cousin Julie (Lee Purcell), whose parents recently died in a car crash. While the rest of the family and those around them are completely charmed by Julie, teenaged daughter Rachel (Linda Blair) grows suspect that her cousin has an alternative agenda; one that possibly includes witchcraft.