The murder of a scientist working on developing a source of clean energy forces Keira to make a difficult choice - do the right thing or preserve the future. Meanwhile, Edouard Kagame arrives in 2012 and Kiera and Carlos are determined to find him before Liber8.moreless
While David Robert Jones goes after his next target, Walter visits the Other Side to help the team's counterparts with an investigation into a Fringe case that touches on both worlds.
While Olivia and Lincoln try to return Peter home, they try to cope with the looming threat of the transparent shapeshifters. Meanwhile, a traitor is revealed and an old enemy emerges from the shadows.moreless