Six months have passed since the destruction of the human colony on Keran by the alien Kreelan Empire.
Earth and other human worlds band together to form the Confederation of Humanity to provide a mutual defense against the alien invaders.
Unfortunately, not all human worlds want to join the Confederation.
Some, like Saint Petersburg, would rather see it destroyed.
With a powerful navy built in secret and armed with nuclear weapons, Saint Petersburg is preparing their own offensive against th.