After Greer’s killer turns out to be an MI6 agent, Scott suspects that the murders are connected to the Haldane case in which he was involved more than a year ago. In addition, he and Severine learn that large quantities of barbed wire are being stored at Ostbahnhof. Is Berlin to be sealed off? Severine tells Scott that she has received new clues about the identity of her husband’s killer. However, when she meets her contact, she is shot.