Marcos Vela is a prestigious gastronomic journalist who accepts the request of an independent publisher to write an article on the recent emergence of the Clandestine Restaurants.

Madrid, the beginning of the century. One day, the police inspector Santos Trinidad coming home very drunk, is involved in a triple murder. But there is a witness who managed to escape and that could incriminate him. Santos undertakes an investigation to locate and eliminate the witness. Meanwhile, Chacón a judge in charge of investigating the triple murder, meticulously advances in the search for the murderer. Santos and Chacon soon discover that what seemed a simple case of drug trafficking is actually something far more dangerous.