Injured and fleeing from Ephraim's army, Sawyer is determined to do whatever it takes to keep everyone alive. In desperation, she realizes she has no choice but to summon help from her former life. Torn between old loyalties and new, she comes face to face with a past she's tried her best to bury and realizes that sometimes coming home is the hardest thing to do. Bree and Declan travel ever deeper into a world they never asked to be a part of as they are brought to the Praetorian compound to continue their training. Their strength and resolve are tested as Ephraim's army looms ever closer, threatening to destroy everything they hold dear. With each passing day and each new revelation, it becomes obvious that, regardless of what happens next, their lives will never be the same.