Tensions between Citadel and Americana build as Americana sends its unwanted immigrants to its neighboring city, driving an even larger wedge between The Wraith and her son. Meanwhile, The First Responder is forced to relive the moment of his death at The Crash Memorial, courtesy of Morrigan Bonny. And a Racer Girl is shot dead in the streets. Is it a case of mistaken identity or something far more sinister? Things are heating up in this fabulous fourth issue. BONUS: Reprinted from the Frank Miller Presents ashcan, Ancient Enemies introductory tale, THE CHALLENGE part 1.