In this haunting Mexican horror film, three friends - Alfonso, Eduardo, and Cristina - lose their way in the mountains and stumble upon an eerie monastery inhabited by the enigmatic Order of the Brothers of Silence. As they try to escape the mysterious forces that surround them, strange and macabre events unfold, including unexplained deaths, ghostly apparitions, and supernatural temptations. Will Alfonso find a way to break free from the monastery's grasp, or will he succumb to the malevolent forces that haunt its halls?