Le chemin de l'honneur (1939)

The eternal story of the brothers : one is valiant,loyal and a brave officer;the other one takes the wrong road .As they are twins (both played by the same actor ),it's easy for the bad one to take his brother's identity to escape from the strong arm of law .Back in France ,he runs into difficulties .His dear mom and his "fiancee" don't see through the trick ,but a cop,as zealous as Javert in "Les Miserables", is suspicious about him.The poor guy goes as far as to burn his fingerprints .