 Sombra, one of the beautiful but naïve Arcadians, is troubled by reports of a place beyond the sea where "monsters" live in cages of brick and stone and never tell the truth – a place called London.The Arcadians beg Father Time to bring them a Londoner.He reluctantly agrees and causes the amateur aviator James Smith, an ageing London restaurateur with passions for aeroplanes and philandering, to crash land in Arcadia, where no one tells lies or grows older, where money is unknown, and employment is unnecessary.