The Descent is a 2004 British horror film directed by Neil Marshall. It tells the story of six female friends who go on a caving expedition in the Appalachian Mountains but become trapped after a tragic accident. As they explore the cave system to find an exit, they discover a new species of carnivorous humans that hunt them one by one. The film effectively uses sound, visuals, pace, and gore to create an intense sense of fear and mystery for the audience. It attracted many female viewers through its cast of strong female leads and became a commercial success in the horror genre through its creative use of practical effects and ability to surprise viewers with plot twists.