Antonio Hernandez

Four college students and an Iraq War vet, lost on a desert highway, encounter a terrified young woman with a black van on her trail. They survive the ensuing chase but their car doesn't, forcing them to seek help at a nearby ranch. Only when it's too late does the group learn that it's crossed the threshold into Hell! (imdb)

Several porn stars have been invited to join the porn movie. As the scenes play out a masked killer is on set and steadily kills off the talent. (ViewClips)