A grieving mother. A mysterious child. And a dedicated PI who's determined to solve the puzzle.For three years, Kate Marshall has been mourning the loss of her husband and four-year-old son in a boating accident. But when she spots a familiar-looking child on a mall escalator, she's convinced it's her son. With police skeptical of her story, she turns to private investigator Connor Sullivan for help. As the former Secret Service agent digs into the case, the boating "accident" begins to look increasingly suspicious. But if Kate's son is alive, someone is intent on keeping him hidden--and may go to lethal lengths to protect a sinister secret.