Care [was] taken to reduce the shock of the shifts between black and white and colour by filming the transition shots in Technicolor but then printing out the colour: an idea suggested by the laboratories. This achieved what [Jack] Cardiff termed 'Technicolor black and white' which 'had this sort of strange look about it — not pure black and white, but with rather an iridecent sheen on it like a beetle's wing'.
— Sarah Street (The Cinema of Powell and Pressburger, 2023)
Synopsis: A British wartime aviator who cheats death must argue for his life before a celestial court, hoping to prolong his fledgling romance with an American girl.