For Hannah Keller, J.J. Fielding is an obsession. As a Miami police detective Hannah had been closing in on the crooked banker, only to see him slip through her fingers, taking with him a fortune in cash belonging to the Cali drug cartel. Then she found her parents brutally murdered - apparently by Fielding. Despite Hannah's efforts, he was never found, the case never solved. Three years later, the FBI remember her obsession as they step up the hunt for Hal Bonner, the Cali cartel's most feared assassin. For ten years the psychopathic Bonner has evaded capture, but now the FBI have hit upon a scheme to use an unwitting Hannah as bait to flush him out. But the plan goes disastrously wrong and soon Hannah and her son are running for their lives.