DVD: Halo - Nightfall: Mike Colter; Christina Chong; Steven Waddington

Jameson Locke is a legendary man-hunter and agent with the Office of Naval Intelligence (ONI), Earth's most powerful and secretive military branch. He and his team are investigating terrorist 'chatter' on the distant colony world of Sedra when they are caught in a horrific biological attack. Led by Locke, ONI agents are forced to coordinate with Randall Aiken, a local commander with a remarkable history and deep-rooted mistrust of ONI. As they unravel a plot that leads them to a hellish, ancient artifact they will be forced to fight for survival, question everything and ultimately choose between their loyalties and their lives.