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!

Out of necessity, Gunther Philipp and his male colleagues put on women's clothes again and cause a commotion in the noble ski resort of Davos as the Jolly Sisters. Their girlfriends don't take kindly to this and counterattack in men's costumes.