The three garbage collectors accidentally get on the trail of a protection racket in the Neukölln neighborhood: Snack bar owner Mohammed has to fend off an aggressive gang of youths and eventually resorts to drastic measures - but Werner discovers that the situation is not quite as clear-cut as it seems. Meanwhile, Tarik's extreme jealousy puts his relationship with Werner's daughter Annika at risk.

A young french woman moves from Paris to New York City looking for love. What she finds are four different men who have one thing in common: they're married.

Two married couples are murdered by an unknown person, including the restaurant owners Sardini, whose daughter is the only survivor. She can't remember anything, but criminal psychologist Annett Schuster and profiler Jan Kawig think she is the key to solving the case.