: The choice of an abandoned nuclear power plant as a wedding venue serves as a stark, atmospheric backdrop that mirrors the "smoke" of the title. Availability and Reception

: The case takes a strange turn when it's discovered the victim was involved in spiritualism and believed in communicating with the afterlife.

: After surviving a near-fatal shooting in the previous installment, Vicente Parra returns to the Ertzaintza. His recovery has changed him; he is now more introspective and focused on his personal well-being.

: A central plot point involves a high-end wedding being organized at the abandoned Lemoniz nuclear plant , themed after Alfred Hitchcock’s film Vertigo . Key Characters

: The investigation reveals the victim worked for two rival catering companies. This leads the police into the world of "extras"—the temporary hospitality staff often hidden from the public eye.

: The novel explores the tension between competing catering firms, where professional rivalry spills over into criminal behavior. Thematic Elements

: Parra's loyal team members who assist in navigating the complex web of evidence.