The Fringe Team investigates a case where people are discovered in a trance-like state that ultimately leads to their death. The unlikely suspect: a mysterious box. Peter and Walter collaborate to study its properties and Fauxlivia turns up the heat on an unsuspecting Peter. Key information about the future is revealed when Walter and Nina meet at Massive Dynamic for the reading of William Bell's will.
This episode's glyphs spell:
The Observer can be seen as Newton leaves the subway station.
The kissing figures on Marilyn Dunham's front door knocker in 'Olivia' foreshadow Fauxlivia seducing Peter to keep her cover in 'The Box'.
Graffiti on a door in 'The Box' reads "The Pen is Mightier", foreshadowing Milo Stanfield using pens to initiate chain reactions in 'The Plateau.'