When a nun in a remote convent claims immaculate conception, the Vatican sends a team of priests to investigate, concerned about an ancient prophecy that a woman will give birth to twin boys: one the Messiah, the other the Antichrist.

In a world where no one speaks, a devout female hunts down a young woman who has escaped her imprisonment. Recaptured by its ruthless leaders, Azrael is due to be sacrificed to pacify an ancient evil deep within the surrounding wilderness.