Elena confronts a seemingly skeptical Father Vergara over his connection to the sudden disappearance of a neighborhood girl. As untimely deaths befall the town, marquess Roque presents Elena with an enticing job offer, and Merche urges Paco to keep his distance from the mayhem.

Elena and Paco learn the ancient origins of a book in the haunting reflection of a local couple's mirror. When Father Vergara spends the night investigating the mirror's trickery, he risks getting swept into a deathly portal

Father Vergara leaves for Rome to face his painful past, and though he requests a meeting with the Pope, he discovers that Santoro is waiting; someone in Pedraza is about to return from the dead.

The village is further undone by Mario's return, sending Paco on an urgent quest for answers. As Sandro and Santoro each appeal to Father Vergara's better nature, the hunt for the final coin puts Elena in greater danger than ever before.

While Father Vergara seeks refuge from Santoro in Aleppo, he ventures into the dream world to contact Elena, who's eloped to Paris with Roque. Meanwhile, in Pedraza, marital tensions between Paco and Merche reach a boiling point, and federal agents descend on the town to take matters into their own hands.