A meteor shower blinds the majority of Earth's population and heralds the arrival of a race of dangerous carnivorous walking plants. As the monsters multiply and prey on the blind, the remaining sighted people join forces to try to put an end to the invasion. Sci-fi thriller, starring Howard Keel, Janette Scott, Nicole Maurey and Mervyn Johns.

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.