The Ministry sends a patrol of newly recruited members on a mission. The objective is to prevent the assassination of El Empecinado, a key man in the defeat of the Napoleonic army in the War of Independence.

The patrol travels to Lisbon in 1588 to prevent Lope de Vega from boarding a ship where he would meet his certain death, before writing his best works.

During the meeting in Hendaye between Hitler and Franco, Himmler wants to use a door in the Monastery of Montserrat to rewrite history for his own benefit. The Ministry must avoid this at all costs.

The patrol must travel to 1491 to save Abraham Levi, creator of the Book of Doors, from the stake. In this mission, they will discover who Torquemada is.

In 1981, Picasso's Guernica came back to Spain after hard negotiations as a symbol of the return of democracy to our country. However, certain interferences threaten the arrival of the painting in Spain.

The patrol travels to Castile in the 16th century to arrest a con man. To do so, they will have the help of a young man who claims to be called Lazaro de Tormes.