A shadowy, high-level criminal organization that moves from the background of previous books into the primary spotlight.

Pérez Gellida is known for "audiovisual narrative," where scenes are written with the pacing and visual clarity of a high-budget thriller.

The story finds the recurring protagonist, former Inspector , at his lowest ebb. After being suspended from the police force following a botched kidnapping case, Sancho has exiled himself to Vigo, abandoning his responsibilities for a chaotic life of sex, alcohol, and self-destruction. However, his attempt to hide from his past is interrupted by two converging dark forces:

Sancho becomes entangled in a dangerous situation through a relationship with a prostitute, forcing him out of his downward spiral and back into a world of violence.

Former colleagues Erika and Ólafur , joined by a new operative named Uriel (the "Redeemed Archangel"), pursue the "Pure Men" across borders, even reaching into Africa. Why It’s Notable

For those reading the digital edition, it is highly recommended to have read the preceding book, Sarna con gusto , as Cuchillo de palo concludes on a suspenseful note that leads directly into the trilogy's finale, A grandes males .

The book is structured around two parallel missions that eventually collide: