AllMovie

Un Fils D'Amerique (A Son from America) was derived from the stage play by Pierre Veber and Marcel Gerbidon. A pair of crooked pawnbrokers persuade young Pierre (Albert Prejean) to impersonate the long-lost son of perfume manufacturer Beterin (Gaston Dubosc). Pierre plays his part so well that he is able to save his "father's" flagging business from bankruptcy. Problems arise when he falls in love with Dorette (Annabella), the girl who's supposed to be his sister. Forced to confess his masquerade, Pierre escapes to parts unknown, but Dorette tracks him down with the help of some friendly gendarmes, exultantly informing our hero that all is forgiven.