It is one hundred years before the events of Ender's Game. Tens of millions are dead in China as the invading Formics scour the landscape and gas cities with a lethal alien chemical. Young Mazer Rackham and the Mobile Operations Police scramble to find a counteragent, while asteroid miner Victor Delgado infiltrates the alien ship in near-Earth orbit. Victor needs to find a way to seize the ship and end the war, but he'll need a small strike force of highly skilled soldiers to pull it off. In this last-ditch effort to save what's left of humanity, Mazer Rackham and his team may be just the men for the job...