They don't want you to believe what she saw. There's a whole world under the surface and only Ron has any idea about it. And sometimes the two worlds collide, and sometimes they don't. Ron holds them ...
The film is an adaptation of the 1891 operetta Der Vogelhändler by composer Carl Zeller, with libretto by Moritz West and Ludwig Held, though it incorporates few of the original songs, using them ...