When a fanatical religious group illegally annexes an asteroid big enough to eradicate life on Earth, the United States, Russia, Northern China and the South Asian Alliance set aside their differences to deal with the threat. But as the joint mission turns into a massacre, it becomes clear that someone onboard the USS Michaelson is selling secrets to the Alliance. To uncover the traitor, legal officer Lieutenant Paul Sinclair has to walk the dangerous line between duty and honor, and become a spy among his own crew.

Jack Campbell is the pseudonym for John G. Hemry, a retired Naval officer and graduate of the U.S. Naval Academy in Annapolis. As Jack Campbell, he writes The Lost Fleet series of military science fiction novels. He also wrote the Stark's War and JAG in Space series under his real name.