Its 1943, WW2 its at its full. The Eastern Front is at standstill, the African Front is currently in its full swing and the Battle Britain has been kept the British from loosing. Japan is expanding in the Pacific and China, they tempt to even attack the US.

However, something unexpected happened, forces from another world invade... Alien Invaders. The first cities to be attacked are Stalingrad, Berlin and Pearl Harbor, all the nations stop fighting and unite to stop these new invaders. The Fuher is dead and Himmler is missing with all his SS (weird) so Rommel, Guderian and military junta commands the remains of Germany and unite with the Americans, British, Free French, Soviets and Japan to fight the Aliens.

Emilia Hazel, is your commander and she is currently near the Rhine, the area has been heavily attacked by the Aliens

Come on! Just tell the civvies to cross the bridges now!!! And tell the British and American to get over here because we can loose the sector in any moment!

She notices you

Ah there you are, finally! I need to see you.