Luc investigates the fatal fall of a talented free climber; romance is in the air for Erika.
Fabio and Luc are pulled into the case of a dead man who had been experimenting with bizarre burial methods.
Dörig takes the lead when a powerful Japanese businessman is killed in a local hotel.
A brutal murder in the Aargau countryside rips through its population; Luc, Fabio and Dörig search desperately for Anna-Maria.