Marcel Bluwal

An overly ambitious young man hopes to rise to the top of the advertising business. When he feels his progress is being impeded, he conspires to murder his way up the corporate ladder. He uses the bodies of his victims as rungs to climb to the top in this macabre comedy of errors. (Allmovie)

It'd just before Christmas in Paris and most are happily cruising the streets and shops but....Robert Herbin, meets a beautiful Italian woman Marthe Drévet, she hints.... (my own summary, honestly knowing or seeking more will detract from your enjoyment).

Dom Juan seduced Elvire, before abandoning her for new conquests. Elvire pursues him and threatens him with the celestial curse. Dom Juan does not care and counts on his faithful Sganarelle to help him kidnap a young girl at sea. Following a shipwreck, they are thrown back by the sea on the coast, where two peasants rescue them. . True to form, Dom Juan decides to seduce the fiancée of one of his saviours, while promising marriage to another peasant, Mathurine. (wikipedia.org)