It is a night of strange unexplained events: terrified horses stampede, eerie burnt circles appear in fields and Judith English (Markie Post) experiences a wild nightmare about her childhood. Shafts of light stream from the sky, her body rises out of the house and her parents are lying there, paralyzed. What does it all mean? The truth is soon revealed: Judith had been abducted by aliens and now the creatures have come back to finish their experiments - this time on her daughter Katie (Candace Cameron). Judith must fight to protect Katie from the extraterrestrials and stop them completing their terrifying work, experiments that could lead to the subjugation of the entire human race. A gripping and chilling science-fiction thriller!