Macallan and her strike force infilitrate Irongate, the Blackdoor information stronghold in the Gulf of Alaska.  Military Underchief Keitha Watson calls Macallan's judgement into question as the true nature of Blackdoor is revealed.  And back in Okinawa, Tulley and Oberlin have their day of reckoning with Kasunori Tanaka, the head of the Yakuza.