Stream Mr Poirier's Son-in-Law Online Free – Watch Full Movie from Home at 123Movies. . This is the story of a wealthy bourgeois who marries his only child, a daughter, to a penniless nobleman because he hopes to use his son-in-law to get a title. The son-in-law is a lazy, affected stereotype; but M. Poirier is also a stereotype, of the obnoxious big businessman. The poor daughter, who falls in love with her husband, lets him walk all over her.