On the rebel colony planet Elysium, a man claiming to be the next Messiah is brutally executed in a live video streamed by religious extremists. Nothing terribly original so far for Elysium. Only this time, the man doesn't die. When cynical chief of security Asher Perez is sent to find the man, it soon becomes apparent that no-one is who they seem and that something dark is stirring in the shadows. Something that has been watching humanity since the dawn of history.