As Pilgrim’s past comes into focus, Frank and Rachel find themselves in police custody, where they’re anything but safe.

Frank and a reluctant Rachel go on the run as a menacing adversary gives chase. Meanwhile, Madani pays Russo an unwelcome visit.

The team investigates a bus full of dead commuters that appear to be fossilized and uncover a man who has visions of pattern-related disturbances before they happen; Dr. Bishop requests…