With the sheriff out on medical leave following a serious injury, Undersheriff Estelle Reyes-Guzman is called upon to run the Posadas County department and finds herself investigating a strange accident that has injured another police officer.

A boy goes missing and is found dead in an arroyo, apparently killed in an ATV accident. But the discovery he made moments before he was killed is puzzling... and takes deputies back to a five year old killing and has them looking for a murderer too close to home.

Undersheriff Estelle Reyes-Guzman is called in to investigate a scene of domestic violence, but she becomes suspicious of an outside assailant when the family's next-door neighbor disappears.

"When a county employee is found shot to death in sun-drenched daylight while sitting in his county road grader, Undersheriff Bill Gastner is faced with puzzling questions. The simplest explanation--that an errant bullet from a careless target shooter's rifle blew out Larry Zipoli's brains--is soon discarded as inconsistencies surface. The fatal bullet shows no rifling marks, and investigation reveals that the shooter walked directly toward the road...