After the radical faction of the Fifth Column murders three Peace Ambassadors, Erica goes on a mission to hunt down their leader, Eli Cohn, a former Mossad agent. Meanwhile, as Jack and other priests around the globe begin to speak out against the Visitors, Anna heads to the Vatican in an effort to convince the leaders of organized religion that the Visitors truly are "of peace."

Cast: Elizabeth Mitchell, Morris Chestnut, Joel Gretsch, Logan Huffman, Laura Vandervoort, Charles Mesure, Morena Baccarin, Scott Wolf, Jane Badler, Teach Grant, Scott Hylands, Jay Karnes, Christopher Shyer, Jonathan Walker