Space. The Final Frontier. The U.S.S. Enterprise embarks on a five year mission to explore the galaxy. The Enterprise is under the command of Captain James T. Kirk with First Officer Mr. Spock, from the planet Vulcan. With a determined crew, the Enterprise encounters Klingons, Romulans, time paradoxes, tribbles and genetic supermen led by Khan Noonian Singh. Their mission is to explore strange new worlds, to seek new life and new civilizations, and to boldly go where no man has gone before.
A spaceship is sent to Mars after an alien distress signal is picked up. They find one survivor, but when a crew member is found drained of blood it's evident they have rescued a bloodsucking monster. Uses footage from Encounter in Space (1963).
In 2020, after the colonization of the moon, the spaceships Vega, Sirius and Capella are launched from Lunar Station 7. They are to explore Venus under the command of Professor Hartman, but an asteroid collides and explodes Capella. The leader ship Vega stays orbiting and sends the astronauts Kern and Sherman with the robot John to the surface of Venus, but they have problems with communication with Dr. Marsha Evans in Vega. The Sirius lands in Venus and Commander Brendan Lockhart, Andre Ferneau and Hans Walter explore the planet and are attacked by prehistoric animals. They use a vehicle to seek Kern and Sherman while collecting samples from the planet. Meanwhile John helps the two cosmonauts to survive in the hostile land.
