Cider Mill Inn is an old, rustic country inn owned by an endearing elderly couple, Michael and Susan Edwards. At first they appear to be bordering on senility. We quickly learn however that they are very clever con artists, preying on their unsuspecting guests. Using an elaborate check-in form, guests are, in fact, signing a work contract, requiring them to perform various improvements at the inn. Plumbers, tile layers, carpenters and electricians are recruited to do work they never expected. But what is Susan's secret?