...und das ist die Hauptsache!? (1931)

A husband takes his wife to a nightclub in Berlin. While there he breaks the news to her that he thinks they should divorce, and leaves her with a young girl on his arm. Angry and humiliated, the wife picks up a young nobleman and takes him home with her. Unfortunately, he turns out to be an international con man who drugs her drink and steals her jewelry. Luckily, the police have been following him and arrest him before he can get away. Meanwhile the husband is starting to have second thoughts about leaving his wife. Complications ensue.