At the beginning of 2000, the young commissioner Yvonne Weber moved from Frankfurt am Main to Eisenach. Together with the local colleague Frank Wolf, she is to review an unresolved murder case from the GDR era. The investigation team encounters inconsistencies in the file and it becomes clear that there is no interest in truth-clarifying the Eisenach department and the prosecutor's office in Gotha.

At first glance, Paul is just a normal eighteen-year-old. What no one knows is that Paul is bipolar. He is helplessly at the mercy of the radical mood swings in his brain. When a depressive episode ends in a suicide attempt, his single father Hardy has to commit him to a therapy center for mentally ill teenagers. At the clinic, Paul meets teenagers who are also struggling with mental problems. He has to make a decision: Does he continue to run away from his illness?

Organic farmer Tanja Pohlmann is on the brink of financial ruin - can Billy Kuckuck help the family? As "one with a heart", Aglaia Szyszkowitz always sees her job as a bailiff as a challenge and an opportunity to help people in financial difficulties. Even if this means that she sometimes has to interfere in the lives of her current "cases". Fresh from the divorce court, Billy Kuckuck is hired by farmer Röschke to collect a personal loan from Tanja Pohlmann. Her husband, who recently died in an accident, had taken out the loan with Röschke to build the new farm store without her knowledge. The demand for repayment could mean final ruin for Tanja Pohlmann, who is already at the end of her tether and unable to manage the indebted farm.