Teacher Frank Stimpel wants to curb aggression among his students. He tries various approaches until it becomes clear who the real problem is: the passive-aggressive German teacher himself. Stimpel tries to stop the aggressive behavior among the students. Unfortunately, he misunderstands the advice of school psychologist Swami, and influencer Leyla makes his life even more difficult. The fact that his buddy Yunus decides to train racing chickens in their shared apartment doesn't make things any better.