あらすじ
The Arditurri mines closed in 1984. Nineteen years have passed since then, and several groups of cavers and researchers have set out to explore their interior with the aim of assessing their condition and evaluating a possible reopening. Among them are Ander and Ibai. Ander is in charge of descending into the deepest and darkest areas of the mine, while Ibai provides technical assistance from a higher level, maintaining radio contact and monitoring for any anomalies. But as Ander ventures deeper into the abandoned galleries, communication begins to fail, the silence becomes oppressive, and the environment increasingly hostile. He will soon discover that in the bowels of the earth there is not only darkness and ruin, but something else... something that has been waiting too long in solitude. What seemed like a routine exploration mission will turn into a struggle for survival. Because down there, in the depths, true terror awaits him.
