Michaela is pushed into the midst of a high-stakes bank robbery perpetrated by a mystery assailant; Ben and TJ piece together an arcane set of mythological clues; Adrian draws Olive further into the world of the Believers.
A commercial airliner suddenly reappears after being missing for five years. As those aboard reintegrate into society, they experience guiding voices and visions of events yet to occur, and soon a deeper mystery unfolds.