The team uses a cadaver to stage a murder in order to lure Pelant out of hiding. Their setup lures him out but only so that he can kill again. He enters the Jeffersonian to deliver a coded message to Brennan. She cracks it on her own moments before Angela and Hodgins arrive at the same conclusion. Brennan confronts Pelant and Booth arrives shortly after to find Pelant with a detonator in one hand and Brennan in the other.