While working in the lab, scientist Peter Brady gets exposed to a radiation leak and becomes invisible; the British government wants to classify him as top secret and lock him up, but he escapes.

Peter must parachute into an unstable Middle Eastern country to rescue an intelligence agent who is being held captive.

A disfigured tycoon tells Peter he wants to become invisible, but his motives have political implications.

Hoping to regain his physical form, Peter Brady teams up with an Iron Curtain scientist who has been working on invisibility.

A car accident leads to Peter's existence being revealed to the public; Sally's friend uncovers her stepfather's murderous plot.

An actress becomes the target of a blackmailer after accidentally causing the death of a homeless man.