A brilliant scientist working on atom-powered motors is kidnapped and taken to a mysterious island where the master villain, in usual cliffhanger form, hopes to conquer the world and gives our hero a hell of a time! Jack Armstrong, of course, thwarts these evil plans in the nick of time. Good, clean fun filled with exciting chases, fights and thrills through 15 chapters. For those old enough to remember, you can almost hear the announcer on the old radio show saying in a hushed voice..."Well, boys and girls. You'll remember that yesterday when we left Jack, Uncle Jim, Billy and Betty they were just ready to...!"
John Hart stars as Jack Armstrong - The All-American Boy in this 15-chapter serial based on the popular 15 minute radio radio program. In this series Jack is met by a host of evil villains when he, Uncle Jim, Betty, and Billy go off on an adventure to rescue a scientist that was kidnapped and whisked away to a far off island in an attempt to steal his brilliant new invention.