In the 41st Millennium, the infamous Space Marines wage holy war against all who defy the will of the God Emperor. Caught up in the bloody conflict against the alien Eldar is Raclaw, a deadly but inexperienced Marine in training. Torn from his home, he's already sacrificed his heritage at the altar of Imperial will. Now, he will learn that even the imposing, armored Space Marines can be destroyed — and that even the Emperor's most feared warriors must bear the pain of personal loss.