The Devourers sweep from from one Federation system to the next consuming energy and sterilizing life. When a small squadron of human fighters successfully repel a Devourer fleet, all the other Federation members turn their suspicions on humanity. Meanwhile, the Devourers have a new humans. As a small group of individuals try to unravel who the Devourers are and how to stop them, time is running out for Earth. But humanity is ready to show the galaxy that if you want peace, you must prepare for war.