Separated by the Colorado River are the scorching desert cities of Bullhead City, Arizona and the gambling town of Laughlin, Nevada where serial killer, El Jefe, stalks his women. Annually, El Jefe kidnaps a new victim shortly after leaving his previous years' victim in a gruesome public display. Rachael Pennington, a Bullhead Police detective, is driven to protect her city and determined to catch El Jefe. She is blindsided when he abducts her sister. The turbulent world of the Colorado River runs through the book and the lives of the Pennington sisters indelibly flow with the powerful and often treacherous currents.