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.
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.