AllMovie

In terrifying horror thriller THE SOUND, a world-class group of climbers is granted access to the Forbidden Wall, a mysterious rock wall previously closed for decades. Among the climbers is Sean (Marc Hills), whose grandfather made an ill-fated attempt 63 years earlier. During the group’s ascent, they come face to face with a malevolent force that quickly turns their expedition into a harrowing battle for survival hundreds of feet above the ground.