Hamilton and Kristin arrive in Hamburg to help BND in the hunt for the terrorists. Astrid investigates Elena's death. DG finds out that Hamilton is a double agent working for the CIA. American security-specialist Pence convinces Swedish State Secretary Gripenberg to pay off the cyber-terrorists responsible for the hospital outage, preventing them from carrying out further attacks. Unfortunately, they are unable to prevent Norling's death. Hamilton tracks the terrorists to a warehouse in central Hamburg.