When Tristan, a new classmate, comes to Meppersfeld and quickly makes friends with the outsiders Zazie, Rahim and Hagen, Lea's interest is aroused.

Hagen's parents who are organic farmers lost their economic livelihood after waste sludge from a local paper mill contaminated their fields.

As the story progresses, it becomes clear that Tristan has personal motives for his radicalism and is planning a terrorist action against a major gun manufacturer (his mother was killed in an aid mission in Africa by soldiers who came into possession of German weapons through illegal arms exports).

With a media-effective action, Lea manages to inflict great economic damage on the weapons manufacturer, who has violated numerous legal requirements.

[4] The shooting of the first season lasted from 11 February 2019 to 6 May 2019, and took place in several cities in North Rhine-Westphalia, including Cologne, Hürth, Leverkusen, Düren, Euskirchen, Neuss, Wuppertal, Solingen, Gelsenkirchen-Ückendorf & Hassel, Remagen and Bonn.