"Sir Chauncey" (Richard E. Grant) has risen from the pigsty to the elevated world of the landed gentry thanks to a marriage with the impoverished but titled "Lady Savage" (Claire Foy). Having somehow obtained for himself a knighthood, and supported by his ever loyal factotum "Halifax" (Jack Farthing) he lives the life of a gentleman amidst their ever decaying country pile. Then there's a knock at the door. It's a message from the Duke and Duchess of Devonshire. They are making their progress through the county and require board and lodgings for the night. Initially, she concludes that there…