Searching for the lost world of Atlantis, Prof. Aitken, his son Charles and Greg Collinson are betrayed by the crew of their expedition's ship, attracted by the fabulous treasures of Atlantis. The diving bell disabled, a deep sea monster attacks the boat. They are all dragged to the bottom of the sea where they meet the inhabitants of the lost continent, an advanced alien race that makes sailors their slaves.
This is a remake of Walter Scott's Ivanhoe. Ivanhoe, a worthy and noble knight, the champion of justice returns to England after the holy wars. He find England under the reign of Prince John and his henchmen and finds himself being involved in the power-struggle for the throne of England. Will justice prevail and will all fair ladies in distress be rescued?
A space shuttle mission investigating Halley's Comet brings back a malevolent race of space vampires who transform most of London's population into zombies. The only survivor of the expedition and British authorities attempt to capture a mysterious but beautiful alien woman who appears responsible.