Produced and directed by Roger Corman in 1960, this epic production relates the tale of the survivors of a mysterious apocalypse which seems to have destroyed all human life!

Hariold Gem is a New York businessman fresh from his legal travails. Him and his wife Evelyn are on holiday in Puerto Rico with his lawyer friend Martin Joyce.

During a scuba diving expdetion they realise something terrible has happened to their surroundings whilst they have under water! They appear to be the only three survivirs left, perhaps in the whole world and they try to figure out what has gone so terribly awry.

They attempt to adapt to life in this new world without other human beings but soon the three surivors start to find it more and more difficult to exist together with devastating consequences.