嗄fter five years of war in Syria, 嗄leppo'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.嗄fter five years of war in Syria, 嗄leppo'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.