Paul leaves home with his best friend Max on the first day of summer vacation. Following in the footsteps of Paul’s missing father, the boys venture into the forest of the Swabian Alb and into a mysterious cave. For the first time in their lives, they truly feel carefree surrounded by forest and mountains. But the adventure challenges that await them are much bigger than they thought.

Private eye Dold, a specialist in surveillance tasks, is sent to investigate a Frankfurt bordello boss. He's a pain in the butt for many in the red-light district and is to be overthrown to pave the way for financially strong speculators to lucratively redevelop the area. Dold, who always saw his work as morally justified, comes to doubt the rightness of his actions far too late.