Fresh from the was in Afghanistan, detective Billy O'Connor tries to return to his normal routines despite his PTSD and severe hallucinations. Once he begins to work a gruesome homicide case, however, O'Connor has difficulty sorting out what's real-and after he uncovers some strange clues, he'll have to face the unthinkable to bring the killer to justice. From New York Times Bestselling authors Paul Levitz and Tim Hamilton, this volume collects all sixteen chapters originally serialized in Dark Horse Presents!