After witnessing a bizarre, traumatic incident involving a patient, Dr. Rose Cotter starts experiencing frightening occurrences that she can't explain. As an overwhelming terror begins taking over her life, Rose must confront her troubling past in order to survive and escape her horrifying new reality.

Depicts the life of Roberto Duran, the Panamanian fighter who made his professional debut in 1968 as a sixteen year old and retired in 2002 at the age of 50. In June 1980, he defeated Sugar Ray Leonard to capture the WBC welterweight title, but shocked the boxing world by returning to his corner in their November rematch, famously saying the words 'no mas' (no more).