For 300 years it was believed Alexander the Great had no heir.
The Roman armada descends on Alexandria. Friends flee, allies bicker, and foes multiply in the night. The fragile city-state teeters on the brink of annihilation. As the naval blockade looms and palace intrigue thickens, Heron must find the heir of Alexander the Great or nothing will stop the Romans from overrunning the wondrous city.