As the skies over Europe flash and burn with the aerial battles of World War II, one battered bomber makes its way doggedly back to base. With only one working engine and a bullet-riddled fuselage, Flak-Bait looks to be reaching the end of its life. But fate has decreed that this American plane will defy the odds, eventually completing more than 200 missions. Now, decades later, restorers are finally uncovering its secrets.