Content from Microsoft Studios

“As the UNSC Red Horse investigates the shattered ruins of Alpha Halo, a discovery in the debris field prompts the UNSC to send a detachment of marines on a mission to investigate the derelict prison transport known as the Mona Lisa where an ancient horror has been unleashed.”

UNSC Cadet Thomas Lasky must conquer his inner fears and join forces with super-soldier John-117 to take down a massive faction of the Covenant.