Hans has killed the dog of Firmin, a shepherd. Wild with rage, Firmin kidnaps Elsi, Hans' fiancée and locks her up at his home. Hans, a peddler, vows to find the missing girl. This is what he does and he manages, with the help of Mânu, the village idiot, to give Elsi a letter. On seeing her, the changeling falls in love at first sight with the young woman. Elsi soon realizes that Mânu can become her instrument of vengeance.
The story follows a movie crew who is filming a musical in a small and idyllic alpine village. After their temperamental leading lady drops out of the film, they decide to replace her with the village's young post office clerk Gretl, who returns to Berlin with them. There she has to struggle with the movie's all-male crew, who all try to woo and win her.
Bohemia in the 19th century, stage-coach driver Hans loves the mayor's daughter Marie, but she is promised Wenzel, the son of another wealthy farmer. Marie refuses to marry Wenzel because of Hans, but the marriage arranger tries to "buy" Marie from Hans. But when Wenzel tells Hans that he doesn't want to marry Marie either because he loves circus director Brummel's daughter, Hans decides to accept the offer of money for not interfering in the relations of Hans and Marie. But when Marie hears about this, she doesn't want to see Hans again.
