Va Bosanquet goes head to head with the Department of Homeland Security in Sandman. Three men and a female DHS agent are murdered on a Sunday afternoon. The lack of any obvious motive convinces Val to start digging into the brutal slaying despite repeated warnings to leave the investigation to the DHS. Val uncovers a terrorist plot to attack shale gas well heads all across Louisiana. However, he is troubled by the certitude of the Federal authorities and begins to question the evidence he has gathered.