Jenny has rented a room in the home of middle - aged couple , Dick and Martha Thompson .
She 's a young , strikingly beautiful , Northern girl who has moved to a small town outside London , to take her first teaching job .
girl has rented a room in the home of middle - aged couple , Dick and Martha Thompson .
She 's a young , strikingly beautiful , Northern girl who has moved to a small town outside London , to take her first teaching job .