An alien force planning on taking over the world causing the plane of Flight 508 to disappear and abduct the passengers and replacing them with androids. A reporter named Richard Armour who has knowledge of their existence. One of the robots is made to look like his girl friend, Angela, who was aboard Flight 508 going to Hawaii, she has returned from there, not the same person he knows along with Cindy, a friend of Angela's. Richard now becomes the hunter and hunted, knowing he must hunt down the androids.