When a witness turns up dead, Wester German Commissioner Peter Simon teams up with Karo Schubert from the Berlin homicide squad to investigate.

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 a startling discovery about her father.

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