A soldier learns he is the "chosen one," destined to lead humanity and end the devastating war with the angels once and for all in premiere of this supernatural drama.

Alex hopes to leave his responsibilities as the Chosen One behind by leaving Vega, but instead, ends up fighting for his life alongside Michael in a battle with Gabriel's forces. Elsewhere, Riesen goes too far in the name of security; Claire makes a personal sacrifice for the people; and Arika receives a deadly message from her homeland.