Demetri and Agent Banks attempt to track down a killer as questions arise about the universe course-correcting itself, when people who thought they'd escaped their fates are found dead; Mark reluctantly agrees to help Simon find his sister, Annabelle, but discovers he's withholding the truth about her true circumstances; the FBI discovers the identity of Suspect Zero; and Nicole learns the whereabouts of Keiko - the woman in Bryce's flashforward - but struggles with whether to share this information, due to her growing feelings for him.
Did You Know?
Discussion between Lloyd and Simon involves tachyons, which might be quite familiar to sci-fi fans. A tachyon is a hypothetical particle that moves at a speed greater than light. As this violates the laws of physics in a number of respects, virtually all scientists in physics believe it to be totally impossible. The actual hypothetical nature of a tachyon is more of a field than a particle. This falls in line with Falshforward's story of an enormous field having caused a global blackout. See more
A character mentions the van was tracked to an 8 block area. Another character says there are 100 ways out of the area so they could not be covered. This is incorrect, since if every one of the 8 blocks went outside the area (no dead end roads or T intersections), the maximum number of ways out would be 32: 8 blocks x 4 sides. See more