Johannes, a doctor of physics, travels with his doctoral supervisor to a scientific congress in the Alps. A series of mysterious incidents occur on site. He meets Karin, a mysterious jazz pianist who seems to know more about him than she can know. Suddenly, mysterious deaths begin to pile up and Johannes tries to uncover the secret under the mountain.
The perpetual underdog, Wanja gets the unique chance to start a career as an architect and becomes an adult. Amongst all the new privileges she starts missing the friends from her youth.
Sascha Bergmann from LKA Graz and his colleague Anni Sulmtaler are investigating a suspicious death in Mursbruck.
