The quiet town of Pedraza is shaken by the birth of a mysterious child. Local vet Elena and Mayor Paco investigate the incident and begin to uncover the troubling past of their newly appointed priest, Father Vergara (Eduard Fernández) – and the significance of a curious coin he has in his possession.

Father Vergara flees from his past taking refuge from the very devil, who pursues him to recover a treasure, one of the 30 coins for which Judas betrayed Christ. It's time to face him again, and this time he's ready.

Elena and Paco discover that a local mirror is haunted. When Father Vergara spends the night investigating the mirror’s trickery, he risks getting swept into its deathly portal.

Father Vergara leaves for Rome to face his painful past. He requests a meeting with the Pope, but he discovers that Santoro is waiting for him too. Meanwhile in Pedraza, someone is about to return from the dead.

After mysteriously disappearing two years ago, Elena’s husband miraculously returns. In Rome, Santoro tries to recruit Vergara, offering him unimaginable power…

Vergara flees from Santoro and hides among soldiers and war hospitals in Syria. Elena follows Roque to Paris, but is terrified when the coin finds its way back to her. In Pedraza, Paco is about to resign when a sinister new priest arrives.

When the sinister new priest prepares a great ritual, a magical fog descends over the village. Vergara and Elena, return with the coin while Paco attempts to resist the conspiracy. The epic confrontation of good versus evil has finally arrived.

Vergara, Paco and Elena confront biblical demons while the Cainites seize the village. If they get hold of the 30 coins, an unprecedented power shall emerge, and with it, a Pope for the new world order under Satan’s rule.

After a shocking accident, Salcedo investigates the growing mysteries surrounding Pedraza. Meanwhile, Paco tends to a hospitalized Elena, and Father Vergara awakens to find himself in the pits of hell.

Despite mounting pressure from Lagrange, Merche revels in her newfound powers – and clings tight to her coin. Later, Laguna joins Salcedo and Haruka on their search for the truth, while Elena finds herself at the center of a horrific ritual.

While Vergara reluctantly reunites with a former foe, Elena and Paco adjust to their unexpected new normal. Elsewhere, Antonio’s visions illuminate the horrors at the center of Barbrows’ sinister plot.

After Paco tells Elena the gruesome truth behind her pregnancy, Laguna goes undercover to unveil deeper mysteries about former Pedraza residents. Meanwhile, Barbrow presents Merche with a devious offer.

On the run in Madrid, Paco and Elena fight to protect themselves from Barbrow’s watchful eye. While continuing to search for clues, Laguna makes a key discovery, and Haruka sends a Hail Mary.

As Barbrow unveils his sinister plan, Merche confronts an unexpected guest at Highclaire Forum. After Paco and Elena uncover a dark truth, Vergara is forced to team up with an old foe.

After Merche traps Paco in an unknown location, Elena works with Vergara and Santoro to secure a key weapon.

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