The Martyr of Bougival(1949)

Original title: Le Martyr de Bougival

A prompter at the Folies-Bergères and admirer of a lovely dancer, the man named Jules has the unpleasant surprise of finding, one fine morning, the corpse of his beloved in a trunk. An investigation, more burlesque than tragic, will give a lot of trouble to Jules who will have great difficulty in proving his innocence.