"Walls of barbed wire and vats of human flesh" are the images in a psychic vision that inspires our post-apocalyptic heroes to visit Guernica, a secret concentration camp built in early 21st century America during the height of the Silent War. As the Walk Among Us arc passes its halfway point, Tommy's quest to find a new heart for his dying sister in the wasteland of Outer City darkens, with mythic horrors threatening to derail and dismember the team.