![](https://image.tmdb.org/t/p/w500/gTWXgbBk93TyAwBG7eWrbS1SGqN.jpg)
Blau blüht der Enzian
Apr 13, 1973
1h 23m
The students at a school of hotel management repurpose the institute into a hotel with a show stage, double-cross the principal, the groundskeeper, and a grumpy millionaire, and cause so much mischief and confusion that, in the end, there is only one thing left to do: laughing to the bitter end!