A man's past is not past. His actions in his younger years are what shape him, guide him, and define him today. It is his choice, however, as to whether the darker moments of his life control his future.

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.