A killer puts a child in danger and sends a police detective on a hunt for justice in a novel that will "appeal to fans of Mary Higgins Clark" (Booklist). Nadal watches for weeks before he first approaches the boy. No matter what Maggie Brown says, he's sure Matt is his son, and a boy should know his father. After their first confrontation, Maggie should have run. She should have hidden her child. But she underestimated the man...