Böttcher's death confirms that Simon and Karo are on the right path. At his funeral, they identify a person of interest known as `KoKo-Wutzke', Gärster's former boss, and a man from Karo's complicated past.

Böttcher's death forces a distraught Gärster to turn himself in; in ZERV custody, Simon makes an unauthorised deal with Gärster without the knowledge of his boss; Karo makes a shocking discovery about her father.