Mysterium returns to Berlin, and Danny Wu will once again find himself back where the most terrible event in his life took place. And the international criminal organization Forty-Niners is planning to commit the robbery of the century in this city... And Danny is the one who can stop them, although the boy himself does not yet know about it. But he is getting closer and closer to solving the mystery that cost his parents their lives, and ahead of him lies a deadly duel with “Center,” the mysterious leader of the “Forty-Niners.”