Olivia and William Bell salvage Walter from the emergency clinic. At that point Olivia meets her twofold, who is a perilous lady, attempting to discover Peter; anyway they battle however Olivia stifles her. Olivia acts like her twofold to draw Charlie and persuades Peter to return. Then Walter and William bring a bit of gear from Walter's research facility in Harvard to the venue to let them re-visitation of their universe. Be that as it may, the FBI and the Fringe Division likewise show up and there is a shootout. Will Olivia, Walter, Peter and William Bell re-visitation of their universe?