Marcus Fenix staggered into the enemy's subterranean lair, squinting into the alien computer terminals. He couldn't believe his eyes. Could it be true? Humanity's arch-fiend enemies - the howling, braying Locust horde - were secretly fighting an internal civil war. And the only way to save Jacinto, the last human refuge, was ... to sacrifice it! Humanity would survive, but at what cost?
Fenix reloaded his battle-scarred rifle. "Come on, Delta," he barked at his loyal, ragtag squad. "There's work to be done!" Perhaps his father had been right. Perhaps ... uh ... heh heh ... ahahahahahaha .