At the point when a researcher is executed by a blue residue that crushes his bones, the Fringe Division explores the case and suspects an organic assault. The examination drives them to a previous marine that escapes yet is hit by a vehicle. In unconsciousness, Walter reviews his Cortexiphan tolerant Simon Phillips that is competent to understand mind. Olivia, Peter and Walter attempt to persuade Simon, who leaves in a desert region, to assist them with finding the psychological militants, yet he is delicate to others since he can't control his capacity. Simon consents to help and furthermore reveal Peter's genuine affections for her.