After five years of war in Syria, Aleppo's remaining residents prepare themselves for a siege. Khalid, Subhi and Mahmoud, founding members of The White Helmets, have remained in the city to help their fellow citizens-and experience daily life, death, struggle and triumph in a city under fire.
Wanting to build a family, a childless couple fosters a young orphan, survivor of a tragic childhood. But their act of love turns to horror when they find themselves besieged by a malevolent entity intent on destroying the new family.