Marc Lanterne and Monsieur Smith investigate the home of a castellan who is the victim of jealousy, justified by the way, of his wife. Monsieur Dunoyau wants to know the author of the anonymous letters he receives. After a whole series of extraordinary adventures, the truth comes out and Dunoyau is reconciled with his wife.
Length 73 minutes
Armand Bernard | Alice Tissot | Janine Merrey | Paul Pauley | Ginette Leclerc | Jeanne Fusier-Gir | Charles Lemontier | Charles Dechamps | Pierre Stéphen | Sylvia Bataille | Nita Raya | Valentine Camax | Gustave Gallet