Ever since a vicious attack nearly claimed her life, Christine Lucas has suffered from anterograde amnesia and is unable to form new memories. Every morning, she becomes reacquainted with her husband, Ben, and the other constants in her life. In accordance with her doctor's instructions, Christine keeps a video diary. As Christine starts to uncover terrifying truths about her past, she begins to question everything -- and everyone -- around her.
Los Angeles denizen Louis Bloom survives by scavenging and petty theft. He stumbles into a new career as a cameraman and -- armed with a camcorder and police scanner -- begins nocturnal forays across the city in search of shocking and grisly crimes. When he catches the eye of a shopworn news director who welcomes the chance to raise her station's ratings, Louis goes to increasingly greater lengths to catch the ``money shot.''
As mankind's time on Earth comes to an end, a group of explorers begins the most important mission in human history: traveling beyond the galaxy to discover if there is a future for man among the stars.