Slim Mr. Traba and fluffy Mrs. Barbara are a good marriage. It is the moonlight that triggers off Mr. Traba’s dreamy nature. He decides to leave his marriage nest and meet the Moon Girl. Mr. Traba lands on stage of a concert hall. The animal audience admires his performance, the Moon Girl throws a flower at his feet from the box, despite the fact that he is totally out of tune. After a crazy night of imagination, Mr. Traba quietly returns to his place in the marriage portrait.