The mysterious explosion at the crime lab had cost one man his life, and had pitched Mac Taylor into perpetual darkness. Now, as the evidence mounted against the temporarily dismissed forensic expert, one person had dedicated herself to proving his innocence: the former girl-next-door, Julia Dalton. Before long, Mac's predicament had them racing against time and running for their lives, a life Mac could no longer imagine without the experienced nurse by his side. Suddenly Mac was seeing more with his heart than he ever had with his eyes....