When a new threat surges through the Gallows Cluster, jeopardising the stability of the entire warfront, the 101st are thrown into the breach. As loyal fortresses fall on the world of Alia, Minka Lesk’s company leads the mad gambit that is the last hope of turning the tide. But when the jungle itself is as deadly as any enemy, can Minka keep her troopers fighting as her regiment fractures around her?