This time around, Hood is running the California-Mexico border with the ATF, searching for the iron river, the massive and illegal flow of handguns and automatic weapons that fuels the bloody cartel wars south of the border. Gunrunners by nature aren't exactly ethical, but the lengths they'll go to, and the innocent lives they'll risk, are shocking even to Hood. Most shocking of all is the close personal connection Hood finds wrapped up in events...

An Afghanistan War veteran puts his dreams on hold to save his family farm before confronting a terrible choice in the aftermath of his crime-connected brother's disappearance.

Los Angeles County sheriff 's deputy Hood is attached to the ATF, working undercover on the iron river near the U.S.-Mexican border. Three men--an earnest law-enforcer, inveterate lawbreaker, and the man who pits them against each other--hurtle toward one another.