Such a Rascal

The playwright Hans Pfeiffer has problems finishing his latest work, because he never attended college, but that's exactly the setting for his play. For that reason, he convinces his twin brother Eric, who just happens to be a college student, to trade places with him. Somewhat similar to Spoerl's Feuerzangenbowle, which was put onto film ten years later, also starring Heinz Ruhmann