In order to maintain their crumbling stately home, Earl Vincent Rhyall and his wife Lady Hilary reluctantly open it to coach parties of American tourists, one of whom, Charles Delacro, falls for the lady of the manor. Feeling rather neglected, she begins to return his advances. In order to win her back, the Earl has to call on the services of his old flame, Hattie Durant and his very laconic, very English butler.