The Ministry sends agents to 1940 after a man being chased by Nazis promises to show Heinrich Himmler how to travel in time if he'll spare his life.

The Ministry travels to the 11th century to solve a mystery involving the burial remains of El Cid. Julián faces the consequences of his actions.

Ortigosa and Natalia's wedding is complicated by a hidden time portal and a romantic legend from the 13th century.