In this prequel to Rose’s Thorn, Detective Joe Erickson discovers a clever and vile serial killer preying on women in Chicago. Only a few cat hairs provide clues to the perpetrator of six mutilation murders. Joe’s razor-sharp intuition and unorthodox methods ultimately lead him on a trail fraught with twists, turns, and close calls. But pushing himself day and night begins taking its toll, and his obsession with apprehending the killer will be his undoing.