Over 90 Minutes of Exclusive Behind The Scenes FootageHalo: Nightfall introduces a pivotal new character, Jameson Locke, a legendary man-hunter and agent with the Office of Naval Intelligence (ONI), Earths most powerful and secretive military branch. When he and his team are caught in a horrific biological attack, they unravel a plot that draws them to an ancient, hellish artefact, where they will be forced to fight for their survival, question everything, and ultimately choose between their loyalties and their lives.Unlock Over 16 Minutes of Second Story Estras, Including Highly Confidential ONI eyes Transmissions To Discover More About Halo: Nightfall.