Juggler and con-artist Caesar comes to Karlsbad, where he hopes to trick the renowned Vaudeville manager Willard into taking him to America. But when he actually meets Willard, Caesar mistakes him for a certain Mr. Lehmann. Willard / Lehmann is not amused, since Caesar constantly courts his daughter Eva.
While fooling around, Caesar doesn’t notice that young Rosl, the daughter of innkeeper Mrs. Svoboda, has fallen in love with him. Finally, the romantic and comical confusion is resolved during a hotel fire.