Plot:
Narration with stock footage ensues. How many times has A-bomb footage has been used in 50s sci-fi movies? Everyone is ready for the test. A fighter contacts base when they spot a fireball. Suddenly, the jet loses control and is heading straight at the ground. The base loses radio contact with the jet that Dr. Douglas Martin is in.
The wreckage has been searched. Colonel Banks talks with Helen, Douglas Martin�s wife. His body wasn�t found. However, no one could survive such a crash.
Douglas Martin walks up to the base guardhouse. Major Dr. Cliff inspects him. He doesn�t remember anything since the crash or how he got a strange large surgical scar on his chest. This is a mystery for the good doctor.
Colonel Banks, Dr. Cliff, and FBI agent Briggs are stymied by such a mystery. Briggs suspects that Martin is actually an imposter. The slow crushing wheels of bureaucracy check his fingerprints, etc�and are sure that Douglas is the real deal.
Doug has been kept in the military base hospital. He seems to be haunted by hallucinations of giant floating eyes.
Dr. Cliff releases Doug from the hospital and orders him to take it easy.
Back at home, Helen is worried that Doug is on the edge of a nervous breakdown. Later, Doug calls his lab and discovers that he is officially no longer on the need to know list anymore.
In the morning, Doug learns that the last test went on without him. He chews out Colonel Banks and Dr. Carl Krueger. Doug goes to his lab to take a few personal items home and starts acting very suspicious. Skulking around, he gets a hold of the test results.
By the time the military learns that the test results were taken. Briggs learns for Dr. Krueger the classified data has been searched, and Doug has access to it, too. No one can find him because Doug has already left the base grounds.
Agent Briggs questions Helen if Doug has any new friends, etc�Why doesn�t he just threaten her with the House Un-American Activities Committee?
Stock footage of police cars on an APB for Doug ensues.
Later, Doug is found by Briggs when he is attempting to leave some data under a rock in Bronson Canyon. Doug knocks him out and drives off.
At a gas station, the attendant manages to call the police on Doug.
Briggs wakes up and heads for Doug�s last known whereabouts.
Day for night confusion ensues. Doug starts hallucinating again of the giant superimposed floating eyes. He crashes his car.
Back at the military hospital, Doug awakens and rambling about those things that will kill us all. Dr. Cliff injects him with a truth serum. Briggs begins to question him who ordered him to get the data.
Flashback ensues. Doug tells of the plane crash and awakening surrounded by a number silent giant-eyed aliens.
I cannot seriously take any alien who wears ping pong balls on their eyes...
They operate on him. Later, he wakes and wanders off. Denob, the alien leader, tells him about the flying saucers that are equipped with a radar detecting equipment. Each A-Bomb test, the aliens gather the energy from each detonation. The aliens have the test results. He reveals without alien intervention Doug would have died in the plane crash. The aliens need Doug.
Denob tells about their home system. The sun began to darken, and they had to invade a neighboring planet. However, billions of aliens are going to have to move to another planet: Earth.
Doug tries to escape to no avail. Stock footage of tarantulas superimposed behind Doug ensues. The next few minutes seem to have come from the special effects of Bert I. Gordon featuring Gila monsters and grasshoppers. Doug runs from more superimposed animal stock footage.
The aliens let Doug out of that cage. The animals will be used as soldiers. The next bomb will result in enough energy to allow the animals to breed and destroy humanity. The aliens also have a death ray to take care of the giant monsters.
Energy is used to create a new element. Doug realizes the weakness in the aliens� scheme. Denob wants Doug to provide the A-Bomb data ASAP. Doug realizes how the energy is stored can easy be overloaded. Denob promise to not kill Doug in the ensuing giant animal attacking humanity. The aliens brainwash Doug to make him provide and hide the data, forget about the aliens, etc�
Doug finishes his story. Colonel Banks doesn�t believe such a story. Doug tries to convince him that a strong enough charge destroy the aliens� equipment. However, he realizes everyone thinks he�s nuts and is drugged.
Dr. Cliff knows from the truth serum Doug was medically truthful.
Briggs and Krueger head back to Bronson Canyon to where Doug was to leave the data.
Doug awakens half hysterical. Dr. Cliff and Helen cannot calm him down. Doug demands to talk with Krueger. Doug frantically starts working on something. When Krueger arrives, Doug realizes that the aliens are somehow tapping power from the nearby power plant. A 10 second blackout would be enough to disrupt their equipment to destroy it. No one listens to him, and Doug escapes from the hospital.
Colonel Banks and Briggs learn that Doug escaped and wants to turn off the power plant.
Chase and hot pursuit in a non Roscoe P. Coltrane fashion ensues�Huhhh-Coo-Coo-Cooo�Must release the inner Dukes of Hazzard fan out...
Doug reaches the power plant. Let the cat and mouse ensue. He manages to get to the main control room and orders the technician to cut the power.
Briggs tries to get the drop on Doug to no avail. Doug finally cuts the power. During the blackout, everyone feels the shockwave of the alien base exploding. Stock footage of an A-Bomb graces the screen once more. Everyone realizes that Doug was right.
