Die, Monster, Die!

Scientist Stephen Reinhart travels to a small town where he plans to visit his fiancée Susan Witley and meet her parents. Oddly, when he arrives, the townspeople are unfriendly. At Susan's parents' estate, her father, Nahum, is acting suspiciously and her mother, Letitia, is hidden away in a bedroom. When Stephen and Susan begin investigating the strange behavior in town, they realize that a radioactive meteor is to blame.