When silly inventor Svensson gets mistaken for Swedish/American aviator Smith, he is accidentally enlisted in the military and drawn into unexpected romantic affairs.

Sound film with Karl Gerhard and music by Jules Sylvain.

The young married couple Sigvard and Isabella Löfgren are constantly being sought by different companies where they are trading on the bill. Sigvard is a traveling salesman and Isabella works as a secretary at a theatre agency seeking artists for a revue.