"There are people we leave behind; there are debts we never fully pay. After the success of The Illumbe Trilogy, with over 500 000 copies sold, Mikel Santiago returns with a masterful thriller set in the heart of the Basque Country. Aitor Orizaola, "Ori," is an Ertzaintza agent in the doldrums. He is not at his best. While recovering from the violent resolution of his last case as an Ertzaintza agent and facing disciplinary proceedings, he receives bad news. His nephew Denis, whom as a child was like a son to him, has been accused of murder. But something smells fishy, and Orizaola, even though officially on leave, will not stand idly by. Denis seems to have been victim of a strange conspiracy. A false accusation, a mysterious suicide, a powerful family with much to hide These are some of the clues that will take Orizaola, through the course of a relentless read, searching for a secret lost in the labyrinthine roads of deep Bizkaia, while struggling to solve the most important case of his life." -- ONIX annotation.