When the dowager Duchess of Marcross insists he accompany her niece, Ginny, into the country for the day to execute a special task, Sir Anthony is appalled. Ginny, who thinks little of the fashionable Sir Anthony, is as eager to be done with the chore as he, but before they arrive at their destination they are stranded by highwaymen and launched into an adventure. Now forced into each other's company, each begins to see more in the other than first met the eye.