Der gute Bulle: Friss oder stirb (2019)

A covert investigator was shot and experienced police officer Schulz, a widower and ex-alcoholic at the end of his career, is tasked with resolving the sensitive case. Together with his partner, Chief Commissioner Milan Filipovic, he succeeds in winning the young dealer Dakota as an informant. But soon the two investigators can no longer get rid of the feeling that they have a leak in their own ranks.