Vickers built more than the Spitfire, and this film uses that engineering giant as the thread through Britain's Second World War industrial effort. It traces how the company's design teams, including work tied to R.J. Mitchell's fighter program, pushed the Spitfire from prototype to the plane that helped win the Battle of Britain, while also covering Vickers' less celebrated output: bombers, armor, and the naval hardware the Royal Navy needed after brutal shipping losses early in the war. Archival footage of factory floors, test flights, and dockyards sits alongside expert interviews explaining the specific engineering problems each vehicle solved, from aerodynamics to armor plating to production speed under bombing raids. The film treats the war as an engineering contest as much as a military one, showing how quickly British industry had to redesign, re-tool, and rebuild after setbacks at sea and in the air. It is a company history as much as a war history, told through the machines Vickers actually shipped.