The series "Achterbahn" is about friendships and the handling of difficulties and problems from children's everyday lives.

Major Vilser is in trouble. First he gets a young Vorarlberg policeman assigned as a sidecar, then his twelve-year-old son Florian is at the door. And Gerlinde Zach from the anti-corruption agency has her eye on him.

Norbert Witte, once the king of the only amusement park of the former GDR, today he is behind bars in Germany. When fleeing bankruptcy in Berlin, Norbert Witte and his family secretly shipped their rollercoasters to Peru. Things went wrong here too. In a desperate attempt, Norbert tried to smuggle cocaine to Germany. Three years later his 23 years old son Marcel was sentenced to 20 years in a Peruvian prison. Now the father is doing everything he can in order to free his son.

A short educational drama directed by Josef Kluger.

Twins Darcey and Stacey do everything together -- they got married at the same age, divorced on the same day and more. This is about to change, however, as Darcey tries to move past her toxic relationships and Stacey’s Albanian fiancé heads to America.

A young terrorist kills and injures patrons of a Norfolk amusement park by placing homemade explosives on the track of one of its roller coasters. After staging a similar incident in Pittsburgh, he sends a tape to a meeting of major amusement park executives in Chicago, demanding $1 million to make him stop.

A disgruntled worker rigs a bomb, triggered by a motion sensor, on the roller coaster at a financially troubled amusement park.