After an unusual meteor shower leaves most of the human population blind, a merchant navy officer must find a way to conquer tall, aggressive plants which are feeding on people and animals.
Set in German-occupied Norway, resistance fighter Knut Straud enlists the reluctant physicist Rolf Pedersen in an effort to destroy the German heavy water production plant in rural Telemark.
A homely but vivacious young woman dodges the amorous attentions of her father's middle-aged employer while attempting to please her glamorously stuck-up roommate Meredith.