When a young American woman is sent to Rome to begin a life of service to the church, she encounters a darkness that causes her to question her own faith and uncovers a terrifying conspiracy that hopes to bring about the birth of evil incarnate.

Remmy and her parents, refugees from Earth, have found peace on the Martian outskirts until strangers appear in the hills beyond their farm. Told as a triptych, the film follows Remmy as she struggles to survive in an uneasy landscape.