A spy thriller involving an American who is enlisted by British intelligence to replace one of its recently murdered agents and smash a ring of blackmailers -- James Bond style -- headed by a nefarious figure known as Scorpio.
Lt. Col. Glenn Manning is inadvertently exposed to a plutonium bomb blast and although he sustains burns over 90% of his body, he survives. Then he begins to grow, but as he grows he starts losing his mind. By the time he stops he is 50 ft tall, insane and is on the rampage.
