When broke and ambitious Dr. Knock arrives in the small French village of Saint-Maurice, no one cares much about medicine – least of all retiring Dr. Parpalaid, who typically prescribed chamomile and a good night’s sleep for most ailments. Knock’s ambition is to boost what he calls “medical penetration” in the county – not so much the peace of mind of the population as the value of his practice. For Dr. Knock, “a person in good health is a sick person in denial.”