The year is 19xx. Third Reich has cloned thousands of zombie pilots in secret labs to support their plan of conquering the world.

The pilots will wipe out the allied air force and enforce Luftwaffe's strategy to dominate the sky. To stop the Nazi attack and defeat their insidious plot, the allied command has called up the three top pilots and ordered them to destroy the enemy at any cost.

The operation is code named "Sky Fire" Good luck!