It's no longer a game. The body count is rising. Shaken by recent events, Amy and Dan Cahill flee to South Africa and trace the footsteps of their most formidable ancestor yet: a military leader of mythic proportions. Yet just as the siblings begin to master the art of ancient warfare, they confront a dangerous enemy that can´t be felled with a sword: the truth. With the stakes higher than ever, Amy and Dan uncover a devastating secret that changes everything.