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French film favorite Danielle Darrieux had only recently cleared herself of a wartime "collaboration" charge when she starred in Au Petit Bonheur. The title translates as Happy Go Lucky, perfectly capturing the tenor of the film. Things aren't so happy at the outset, however, not with wealthy Andre Luguet on the verge of suicide. Luguet gets a second lease on life when he finds himself the nonplused host of Darrieux, who wants to make her errant husband Francois Perier jealous. Au Petit Bonheur is rather obviously derived from a stage play, written by Marc Gilbert Sauvajon.