Two speleologists, Esteban and Pedro, travel to a mountainous area located in northern Spain, near a small village, to study a newly discovered cave and determine if it is of scientific interest, while Gabi, Esteban's wife, awaits their return on a lonely road at the foot of the mountain.

• Backup Media
• Alta Films
• Carmelo Gómez
• Judith Diakhate
• Celso Bugallo
• Manuel Morón
• Mariano Alameda
• Vicente Romero Sánchez
• Walter Vidarte
• Cesáreo Estébanez