The year is 2552. The massive Covenant invasion of Reach was deadly for the humans. However, the Covenant did not go unscathed. Still believing the humans were heretics, they relentlessly stormed Reach with honor and glory. The UNSC fleet is ever so decreasing, and the Covenant is slowly, but steadily winning.
And here is the Covenant's story. The story telling that the humans will be destroyed. The story that tells us the Covenant's tales of planet Reach.