On a Sunday morning, massive earthquakes devastate the West Coast of the United States and other locations around the globe. That same day, Sofia, a disabled nine-year-old foundling girl, is miraculously healed during morning Mass. Mark Lawson is the last person to believe in miracles. He doesn't know why he let Father Romero persuade him to shelter Sofia and her novitiate caretaker, Maria. Unexpectedly, he finds himself on the run from the public, the authorities, and something he can't quite understand. As Mark struggles to keep both of them safe, he discovers someone from his past who will stop at nothing to possess Sofia. In a world on the brink of madness, Mark must face a final choice that will define all of them forever.