The Jellyfish Princess' fleet has been crushed, a joint task force scouring Bikini Atoll and freeing Saratoga from the clutches of the Abyss. In their hurry to withdraw, however, they left the Abyssal CFS Trinitite, a Wo-class Carrier with no allies and an armada of questions.

It's only been a few years since the Fog have taken over the seas. Prinz Eugen is one of the Fog. Loyal, caring, and highly interested in the World Wars. Tasked with shooting down a human SSTO, she destroys it only to be attacked by an unknown anomaly. Dragged into a world where the Fog don't exist, Prinz Eugen must explore her new time, the time remembered to us as World War 2.