The silent sea holds dark secrets. Marissa Gilmore searches the sea's edge for an escaped dolphin only to find the sleek mammal pushing a body ashore. The dolphin is the only witness to murder, and only Marissa can find a way to discover its secrets. Now, deep in the Florida Keys at a marine mammal refuge, Marissa wants to heal the dolphin, while Riley O'Hare wants to free it. Riley's lips speak contempt for her job as a marine mammal trainer, but his eyes kindle a fiery passion in her. Shielded by his arms, Marissa believes she's safe until the accidents begin...