The Master Chief and Cortana find a mysterious planet after years of drifting through space. Now aboard a moon-sized alien flagship, the two will have to call upon all their skills to defeat this new foe. NOT related to Straye's Forward Unto Dawn.

The Covenant's invasion has begun. Earth's defenses slowly crumble under the force of their seemingly unstoppable armada. But there is hope. Zulu Company, the Last Spartans, have been training on Earth for years, in secret. And now...it's their turn.