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.

Carmelo Gómez
as Esteban

Judith Diakhate
as Gabi

Celso Bugallo
as Amadeo

Manuel Morón
as Salesman

Mariano Alameda
as Pedro

Vicente Romero Sánchez
as Tomás

Walter Vidarte
as Amós

Cesáreo Estébanez
as Cecilio

Fernando Sánchez-Cabezudo
as Beni

Petra Martínez
as Marta