The chase is on in New York Times bestselling author Cynthia Eden's latest installment in the Killer Instinct series! Josh Duvane's SEAL training not only hardened his body, but also his mind. Though his latest investigation as part of the FBI's Underwater Search and Evidence Response Team is pushing him to his limits. The Sandy Shore killer taunts local police as Josh recovers his victims off the coast of Florida. Of all the women taken, only Casey...

She's been buried alive. Now it's a race against time to save her. When former FBI analyst Thora Graham wakes buried in a makeshift coffin, she has only her training to keep her calm and her faith that deputy chief Will Dresden is on the case. But who would have trapped Thora? Did her work putting a serial killer behind bars make her a target? And can the man she once loved and left find her before time runs out?