Berlin, Germany. Police officer Klaus Roth infiltrates the Serbian mafia, specializing in manipulating sports betting, and befriends the naive Luka, in order to capture Aco Gorić, the enigmatic head of the criminal ring.
After the Klatts' daughter goes missing, they take matters into their own hands and hatch a wild plan: Spy on the neighborhood. As they make their way into small-time espionage, shocking secrets come to light one by one.