To avoid the life-threatening dangers of manned space exploration, Professor Nordstrom (Taylor Holmes) creates a highly advanced form of artificial intelligence capable of piloting a starship to other worlds. Danger strikes when a sinister band of covert agents kidnaps Gadge (Billy Chapin), the professor's 10-year-old grandson and now Gadge's captors must suffer the wrath of his protective friend and face a mechanical monstrosity bent on a killing rampage of revenge and destruction.