Directed by the maniacal Regent, the enemy pressed forward with one goal - the destruction of mankind.
The Superpowers of Earth, enemies for over a century, have banded together to face the threat from outside, and their combined forces have fought, delaying actions to buy time. But now the Rim has fallen, and the heart of human space lies before the invaders.
On three worlds, mankind will make its stand, and all the power Earth and its colonies can muster has been gathered there. Three worlds - Sandoval, Garrison, and Samvar. The Line.
Erik Cain grimly leads his Marines and their new allies to Sandoval, to fight and to hold that world against anything the enemy throws at it. But Cain plans more than just a defense; he intends to annihilate the enemy forces...and he'll sacrifice anything to win the ultimate victory. Even himself.
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