The film attempts to understand the abject fear and courageous decisions of people who transformed from a random assembly of disconnected strangers into allies confronting an unthinkable situation.

• 该片试图去领会人们的那种极度恐惧以及那些英勇做出的决定，而这些人们在联合起来应对突如其来的局面之前就是一群随机凑在一起的毫无联系的陌生人。