At Deverill Hall, an idyllic Tudor manor in the village of King's Deverill, impostors are in the air. The prime example is man-about-town Bertie Wooster, doing a good turn to Gussie Fink-Nottle by impersonating him while he enjoys fourteen days away from society. It's a brilliant plan - until Gussie himself turns up, imitating Wooster.