The patrol must go to 1981 Madrid to find a copy of a missing bill of sale for Picasso's "Guernica" to ensure the masterpiece is returned to Spain.

The patrol meets the novella-inspiring Lazarillo de Tormes while visiting 1520 Salamanca to capture a fugitive hiding from the law via time travel.

Irene contracts the Spanish flu while on a mission in 1918. Susana insists she be brought back to the present, putting the entire Ministry at risk.

Phillip II of Spain decides he wants the Spanish Armada to win in 1588. He gets a taste for time travel and sets his sights higher, focusing on 2016.