Adapted from various stories by Jules Renard, Poil de Carotte (The Red Head) is the poetically related tale of a delicate domestic situation. Robert Lynen plays the young son of Catherine Fourtenay. Fourtenay's husband Harry Baur knows that Lynen is not his son, but remains married for appearances' sake. Baur remains aloof and distant until he discovers the cruelties heaped upon Lynen by his resentful mother. Foster father and son develop a respect and friendship for one another that finally deepens into love.