But when the spinster dies suddenly, her best friend kicks up an unseemly fuss, loud enough to attract the attention of Detective Chief Inspector Tom Barnaby. And when Barnaby and his eager-beaver deputy start poking around, they uncover a swamp of ugly scandals and long-suppressed resentments seething below the picture-postcard prettiness.

    But railroad police Special Agent Sydney Rose Parnell, brought in by the Denver Major Crimes unit to help investigate, can't shake the feeling that larger forces are behind this apparent crime of passion.In the depths of an icy winter, Parnell and her K9 partner, Clyde ― both haunted by their time in Iraq ― descend into the underground world of a savage gang of rail riders. There, they uncover a wide-reaching conspiracy and a series of shocking crimes. Crimes that threaten everything Parnell holds dear.As the search for the truth puts her directly in the path of the killer, Parnell must struggle with a deadly question: Can she fight monsters without becoming one herself?