The Vasquez family have been tormented by an evil entity for generations. Now that Marco Vasquez is about to start a family of his own, the paranormal activity has intensified. Marco seeks help from a man named Luis Ortiz - The Curandero - an indigenous shaman who serves the drug cartel. Ortiz gives Marco a scroll with instructions for a dangerous self-exorcism and he will have only until daylight to defeat the malevolent spirit.