After five years of  wa
r in Syr ia, Aleppo's remai ning resident s prep are themselve  s  for a
 si ege. Khalid, Subh
i and Mahmoud, fou nding members of Th
e White Helmets, have rem ained in 
the
 city to help t heir fel l ow citizens-a nd experience dail y lif e, death, s truggle an
d triumph i
n a city under fir e.