Work, love and life are just one long, hard slog for the fish filleting-foursome Pearl, Jan, Shelley and Linda. Their fortunes change when Linda finds tickets to Ladies’ Day at Royal Ascot (the year it moved to York).  So out go the hairnets and overalls as the four head off to the races for a drink, a flirt and a flutter. If their luck holds, they could hit the jackpot, and more besides…