36 hours: a town is plunged into darkness.. the mayor is missing.. two doctors race the clock to save lives.. as a blackout paralyzed Grand Springs, Colorado, Dr. Noah Howell was back on the job in Vanderbilt Memorial's ER, thrown together with Dr. Amanda Jennings, the woman he'd never forgotten,,, the woman he's walked away from one long year ago; in the desperate hours of the night, tension turned to passion, and fate brought Noah one last chance to reveal the truth behind his betrayal, but some secrets were better left untold.