ATF agent B.J. Carleton's first priority is stopping the flow of guns into Mexico until sassy Callie Snowden finds herself in the sights of a ruthless gunrunner, a man B.J. suspects killed her husband. After the tragedy Callie retreated home to her small Texas town, thinking she'd found safety. Now secrets from the past plunge her into a nightmare. When she and B.J. are kidnapped by ruthless cartel henchmen and taken into the Chihuahuan desert, B.J. must protect Callie from the killers and harsh terrain. As they run for their lives, the past continues to play itself out and catches them in its deadly spiral. And if B.J. gives in to his overwhelming attraction for her, he may lose everything...for both of them.