Electricity arrives at Hardacre Hall, and it's not the onlysign of changing times as Callum helps Mary buy several bikes -an exciting new mode of transport. Sam convinces Mary that thefamily business should expand by converting their fish shops togeneral stores. And when a newly promoted Maggie messes up afood order, Mary decides to set up adult education classes. Mastrikes up an unexpected friendship with George. Harryannounces that he wants to abandon education. Liza, wearyafter a summer plagued by unsuitable suitors and fortunehunters, has a chance encounter with a mysterious soldier.Emma is horrified to learn that her mother Lady Imelda ispaying them a visit. When Emma hosts a garden party, Imeldainsists the Hardacres are invited. Mary reluctantly attendswith the family, and Imelda appears perfectly charming. ButImelda later reveals to Emma her true feelings about theHardacres.