Hop Harrigan (William Bakewell) and his pal "Tank" Tinker (Sumner Getchell) operate a small airport and flying service, and are hired by J. Westly Arnold (Emmett Vogan) to fly an eccentric inventor, Dr. Tabor (John Merton), to his secret laboratory where he has a revolutionary new power unit. However, a mysterious character known as the Chief Pilot is interested in the inventio...
