The Sin of Madelon Claudet (1931)
The Sin of Madelon Claudet is a 1931 American drama film directed by Edgar Selwyn and starring Helen Hayes. The screenplay by Charles MacArthur and Ben Hecht was adapted from the play The Lullaby by Edward Knoblock. It tells the story of a wrongly imprisoned woman who turns to theft and prostitution in order to support her son.
More at Wikipedia.