Sir Frank Whittle spent the 1930s trying to convince the Royal Air Force and British industry that a jet engine was possible, while working engineers and officials dismissed the idea as impractical. This film traces his fight from an unpaid patent and a shoestring company called Power Jets through to the Gloster E.28/39's first flight, with his son Ian Whittle providing family recollections that go beyond the official record: the toll of bureaucratic indifference, wartime secrecy, and the personal cost of pushing an invention nobody in power wanted to fund. Archival footage of early test rigs and wartime aircraft sits alongside interviews that reconstruct how close the breakthrough came to never happening at all, and how Whittle watched German engineers reach the same technology on a better-funded track. The film treats his story less as a triumph than as a case study in how Britain nearly lost a technology it invented first, closing on Whittle's uneasy legacy as the man credited with starting the jet age while receiving comparatively little for it.