Duke of the Derby

Retired military officer Richard Briand-Charmery, known to all as “The Commandant”, gambles every centime he has on horse racing bets. When his luck is down, he supplies his friends with false betting tips, knowing that the friend whose bet comes off will give him a fraction of the winnings. One day, Richard meets up with an old flame, Maud, and passes an evening with her at his expense. To pay the bill for the evening’s extravagance, the Commandant tries his scam on a naive restaurateur, Ripeux… —IMDb