The Fleet of Fog blockade the oceans. The captain of the captured Fog submarine I-401, Chihaya Gunzou wishes to prevent a war by delivering a secret weapon to destroy the Fog to the United States of America. However when an unknown battleship of massive size appears, Gunzou is forced to make a decision, one that may affect the fate of the world.

The US navy is yet again participating in the annual world Nations war games. This time they've decided to unveil its newest stealth ship. But as luck would have it. Two unsuspecting times are about to to thrown together her before any one can even react. How will a 22 century Naval crew react when they find themselves in a time of dragons and Vikings.