Monsieur Leguignon, lampiste

Expulsés de son logement vétuste, Diogène Leguignon, lampiste à la S.N.C.B., et sa femme sont relogés dans un quartier populaire avec d'autres expulsés. Mais leur nouvelle maison recèle un trésor convoité de tous...

A railway worker, Leguignon, and his wife are forced to move into a house located in a shaggy part of town. What Leguignon doesn't know is that a group of children have discovered a treasure and keeps it stored in the house. Trouble ensues when he discovers the cache and tries to claim it as his own.