An epic 70,000 word Halo adventure following Master Chief and the Arbiter as they battle Covenant forces on Earth, discover a mysterious Forerunner ship, and unite against the flood outbreak on Delta Halo. Tensions run high as ancient enemies must learn to work together or face complete annihilation. Their faith and values are put to the test by harsh truths revealed about the Halos' purpose. Survival will take sacrifice and determination as Chief races to stop the Ark's activation, forming an unlikely alliance with the Arbiter to prevent the firing of the Halo array at any cost.