The year is 2569, and Humanity and Ponykind are at war with an alien alliance thought dead known as the Covenant. The Covenant have invaded Earth once again, this time ready to finish the job. This is a story about the defense of Earth, and it's people.
A Haylo: A New World and a Haylo 2 Spin-off (You MUST read those two stories in order to grasp what's happening)