The American and best friends Rachel Klein and Sarah Pullman decide to travel to Tel Aviv to have fun. In the flight, they meet Kevin Reed that invites them to go to Jerusalem. They accept the invitation and they check in the hostel of the local Omar. Sarah and Rachel date Kevin and Omar respectively and they go to a nightclub together. When they return to the hostel, they find that Jerusalem is under siege of the army and curfew and no one can leave the place that is under attack of demons.