Two teenage brothers take a road trip to the border between Mexico and the US to track down the man responsible for the car accident that caused their father’s death. Joined by their beautiful newly-met step-sister, the three siblings embark on a tense revenge journey to adulthood which, ultimately, will have them come to terms with their father’s death. (Source: Film Factory Entertainment - https://www.filmfactoryentertainment.com/films/upon-open-sky/)