One Night I Ruined My Life (1951)

Much to her delight, an orphaned young woman accepts the marriage proposal of a distinguished surgeon who has fallen in love with her at first sight. Now, after tutoring his nieces French, the kind teacher sees his life take a wonderful turn, with their son completing the couple's happiness. However, the stern disposition of the otherwise benevolent doctor stands in the way of experiencing love, and a full life, especially after an unfortunate incident with an old flame of his wife. Will this humbling and regretful mistake ruin the mother's life?