Their hardest battle will be fighting the enemy within ...

Captain Saul Harris has found himself at a crossroads. Haunted by dreams of the dead, he fights to keep his soldiers safe as events spiral out of his control. But has his search for the truth led him to discover there is more to this mission of chasing Sharley than meets the eye?

Meanwhile, Corporal Carrie Welles seeks revenge. Consumed with demons from her past two missions, she goes rogue in the hope that her actions will end all the pain and suffering the Aurora team has endured. But will facing the enemy free them all from Sharley's cruel grasp, or has she condemned herself to a suicide mission?

As the mystery of Sharley and UNFASP unfolds and lives hang in the balance, Harris and Carrie are forced to search deep inside themselves, and what they find will shock them...