Ha! Talk about having your cake and eating it! "François" (Jean-Claude Drouot) is happily married to "Thérèse" (Claire Drouot) and living in a small apartment with their two children "Pierrot" and "Gisou". They are a loving couple and seem perfectly content with life. Then "François" is despatched to do some work away from home and when calling his boss from the post office encounters "Émilie" (Marie-France Boyer) with whom he swaps a smile. That's just the beginning as the two chat a little, flirt a little and then... Now he isn't a bad man in any malevolent sense, he genuinely loves his wife ...