Seven years ago, former Strike Force operative, Deputy Shaw Brodie, and profiler Ava Sadler thought they had ended the reign of terror brought by the sadistic Riddle Killer. The intricate riddles, horrifying stakes, and lives lost left indelible scars on both their souls—and on their relationship. Once lovers, Shaw and Ava were torn apart by the trauma of the case, unable to overcome the pain that lingered long after the killer was caught. Now, as the deadly game begins again in Outlaw Ridge, Texas, Shaw and Ava are forced back into each other’s lives, questioning if they imprisoned the wrong man or if a copycat is on the loose. Amid the danger and the resurgence of their old wounds, the heat and undeniable feelings between them ignite once more. Together, they must navigate the complex web of new riddles and old emotions to outsmart a killer who seems to know their every move, while fighting to reclaim the love they once lost.