From Halopedia, the Halo wiki
This article is about the trailer. For the Halo 4 music track, see Awakening (music). For the art book, see Awakening: The Art of Halo 4.
The trailer was first shown at Microsoft's E3 Media Briefing on June 6th, 2011. It depicts Cortana hastily awakening John-117 from cryo-sleep on the aft half of the UNSC Forward Unto Dawn, followed by John securing Cortana's storage chip and rushing through the wreckage to witness the ship being pulled into a mysterious object.
Fades in to many points of reddish light, apparently stars, against a black background. In the foreground, one of these sends small curling sparks throughout columns of smoky material; the lights resolve themselves as neurons in a human body, sending slow pulses to one another.
The neural pulses reach the heart.
The heart begins beating, and the neural pulses race up the spine to the brain.
John, now wide awake, forcibly throws open the cryotube and pushes himself to Cortana's holotank.
John and Cortana turn to see the UNSC Forward Unto Dawn exploding and collapsing. John stows Cortana's chip in his helmet, and pushes off the holotank to speed down the hallway. Taking advantage of the microgravity, he uses a pair of thrusters on his armor to maneuver through the girders and debris in the imploding hallway. He grabs a sticky detonator and blasts a piece of debris out of the way, and stops his movement by grabbing a protruding girder. His boots magnetize themselves to the ship's hull. Now standing on the edge of the Forward Unto Dawn, John reloads his pistol and stares out into space. The camera turns to show the Forward Unto Dawn being pulled into an enormous iris-like opening on the Forerunner shield world, Requiem.
Cut to black. The Halo Theme plays.
Video ends as the Xbox 360 logo is shown.