Does she have the key to solving a murder? Cavanaugh is on the (cold) case! Kenzie Cavanaugh strives to prove herself to her family. But when her missing persons case grabs the attention of infuriating and gorgeous Detective Hunter Brannigan, she grudgingly collaborates with her rival to catch a killer. As the partners uncover a lethal conspiracy, they must learn to trust their instincts, and one another, to stay alive.