The British are attacking the Mareth Line in North Africa while the Americans hit the Axis flank, but the Allies are withdrawing in Burma. It's the Germans who are pulling back in the USSR, though, and there is another attempt from within German Command to assassinate Adolf Hitler.

The phantom submarine that has been savaging both Japanese and Allied shipping in the South Pacific is tracked to Hydra Island, Baron von Strucker's base. The fighting for it is a tough hand-to-hand combat, as Japanese and American soldiers ally with each other in the face of a common enemy.