Hugo Carmody, the impoverished secretary to Lord Emsworth falls for Millicent the boss's niece, and steals his Lordship's prize pig in a scheme to raise funds to marry her.
Gutsy lass Gracie rallies fellow stall-holders at Birkenhead Market to prevent its takeover and demolition by a department store chain. She invokes the Market's foundation by Royal Charter just before an inadvertent gas leak provides an explosive climax.