This episode centers on Olivia, conditioned to believe she is a member of the alternate Fringe team, trying to track down a mentally unstable man that can predict the team's every move. Meanwhile, Secretary Bishop shares his strategic plan with Colonel Broyles as Olivia grapples with a heart-stopping vision.
This episode's glyphs spell:
Running through an area of compromised air quality without taking extra oxygen was a breach of protocol that saved Olivia's life.
The Observer can be seen on the bridge over the second accident caused by Milo as Olivia searches for him.
Graffiti on a door in 'The Box' reads "The Pen is Mightier", foreshadowing Milo Stanfield using pens to initiate chain reactions in 'The Plateau.'
A sign for "Van Horn's Tavern" in 'The Plateau' foreshadows Senator Van Horn's secret and involvement in 'Do Shapeshifters Dream of Electric Sheep?'.