Under the Azovstal factory in Marioepol, hundreds of people are hiding in old nuclear bunkers for Russian bombing. The conditions are miserable: no light, water, privacy and less and less food. An improvised society of young and old, rich and poor is created, with pets. Tensions are mounting. Who takes care of the other - and who especially takes care of themselves? Many survive with creativity and courage. But when supplies run out, the Ukrainian army sets up an airlift.