

On her way to another witness, German police chief Jackie Mueller gets shot and severely injured. Danish chief Harald Bjorn and Belgian chief Alicia Verbeeck come over to Berlin to track down the culprit.
Three prostitutes are found murdered in Antwerp, Berlin and Copenhagen. They were all killed in the exact same way, and all within hours after having been visited by a Belgian journalist.
Lithuanian billionaire Marius Loukauskis is associated with the investigation. Loukauskis suspected of leading a large criminal network operating in human trafficking and forced labor. He has a top spot on Europol's list but has so far been untouchable. The famous jazz singer Iris Gabler promising a reward for information that could lead to the arrest of Maria's killer. Maria was her daughter.