After Finé and Izetta arrive in Britannia, they try to enlist the Allies' aid for Eylstadt by offering them a demonstration of Izetta's power. A new but still uncompleted Germanian aircraft carrier, the Drachenfels, has gone into hiding at Sognefjord in the country of Nord, and Finé proposes that Izetta should sink the ship before it becomes fully operational. However, thanks to the Germanian spy network, Berkmann has become aware of the plan and prepared an ambush for Izetta, using the ship as bait...