<p>On rebel planet Elysium a man is executed on live video streamed by religious extremists. Nothing terribly original so far for Elysium.</p><p>Only this time the man doesn't die.</p><p>When security expert Asher Perez is sent to find him dark secrets about the rebel colony are exposed. Something dark is stirring in the shadows.</p><p>Something that has been watching humanity since the dawn of history.</p>