The Harz village policeman Frank Koops cares little about adventures and even less about birthdays. So he only reluctantly goes on a survival weekend with Heiner, which his colleague Mette gave him for his birthday. When they set off, organizer Nora has no idea that fun is going to be serious this time.
Frank Koops has to deal with a criminal rocker gang and opaque BKA colleagues.
Tobias, aged 13, lives in an East German city and has learned to get by on his own. Then Max moves into the neighboring apartment, and he keeps it just like Tobias. He likes to determine how things should go by himself. Without further ado, Tobias decides to pass Max off as his father!