While Haruka and Antonio race to defeat the supercomputer, Vergara and Elena fight to save Paco and bring down Barbrow.

Hoping to halt Barbrow's plans, Antonio leads a charge to destroy the Second Nucleus; when Paco wakes up in a mysterious location, Elena must work with Vergara and Santoro to secure a key weapon.

While Barbrow unveils his sinister plan at Highclaire Forum, Paco and Elena work with Father Lombardi to uncover a dark truth.

At the psychiatric hospital, Laguna discovers a new clue about Barbrow's plans that will lead Salcedo to England. The millionaire will have to test his magical powers to snatch the black book found in Toledo from Elena and Paco. Only the help of Antonio and Haruka will allow them to begin their journey to Rome and reach Father Lombardi.

As Elena confronts the horrific truth behind her pregnancy, Laguna goes undercover, and Barbrow presents Merche with a tempting offer.

Elena and Paco adjust to their unexpected new circumstances, as Antonio's visions reveal Barbrow's sinister intentions.

While an empowered Merche revels in her newfound abilities, Paco fights to save Elena from a horrifying ritual.

As former inhabitants consider Pedraza's mysteries, Paco tends to a hospitalized Elena, and Father Vergara adjusts to his new reality.