You'll see plenty of this guy, but "Halo" isn't just the Master Chief ... subplot up front involves UNSC palace intrigue. Dr. Catherine Halsey (Natascha McElhone), a scientist and the creator ...

As Master Chief (Pablo Schreiber) makes his way to the Halo, all the pieces are finally in motion. Meanwhile, an ancient force between human or Covenant reckoning has already been unleashed.