The Freeling family is a typical middle class family living in the peaceful Cuesta Verde Estates. Steve, his wife Diane, 16-year-old daughter Dana, 8-year-old Robbie, and 5-year-old Carol Ann live in a track house. Soon strange things begin to happen around the house; the pet canary dies, mysterious storms occur, and Carol Ann is summoned to the TV set, where a strange shaft of green light hits her and causes the room to shake. As the curious events...