The Spitfire's elegant elliptical wings were not an aesthetic choice but a solution to a brutal aerodynamic problem, and this History Hit film traces how that shape came to exist. At the center of the story is designer Reginald Mitchell, who drove himself through repeated redesigns to wring more speed and maneuverability out of the airframe while working under a diagnosis of terminal cancer that gave him only a few years to finish the job. Archival photographs, technical drawings, and footage of surviving aircraft illustrate the engineering trade-offs Mitchell and his team faced at Supermarine, from wing profile to engine mounting, as Britain's air defenses raced to be ready before war arrived. The film frames the Spitfire's eventual role in the Battle of Britain as the payoff of that private race against illness, tying the personal stakes of one designer's failing health to the national stakes of an air war. It is a compact account of how a fighter plane's iconic silhouette came out of both physics and mortality.