ZERV" tells of the first years after the fall of the Wall, the breaks in life courses, of completely different biographies and of the successful coming together in the common fight against crime, which knows no East and West. ZERV stands for the Central Investigation Office for Government and Association Crime, founded in Berlin in 1991 by decision of the federal government.

Simon and Karo discover Trockland may have been trafficking in illegal arms.

A suspect's confession leads Simon and Karo one steps closer to the truth.

A person of interest emerges, one who has a complicated past with Karo.

Simon makes a deal without the knowledge of his boss; Karo makes s startling discovery about her father.

Simon and Karo race against the clock to stop the arms shipment.