The space shuttle Wharton is assigned to observe Wold’s Comet under the command of Colonel Brad Goldman. They see a strange form attached to the comet and Goldman goes with a team to investigate. They find three humanoid life forms in caskets and they bring them to the Wharton. However, Earth loses contact with the shuttle and the Space Research Center sends another spacecraft to search the Wharton They find the crew dead and the shuttle burnt and one rescue pod missing. They bring the humanoids to Earth and soon Dr. Quartermass and his team discover that the Space Hippo is a sort of vampire and drains the life force from people, transforming them into zombies. When the authorities find that Colonel Goldman has survived, they summon him to explain what happened in the Wharton. Goldman tells an incredible story about the three aliens and he teams up with Colonel Scarlet trying to save mankind from the evil vampires from space. Based on the novela “The Star Vampires”, the changes in title and character couldn’t save this movie from being a box office bomb. It has since developed a cult following.