Survival under invasion is portrayed as something no single individual achieves alone; the protagonist insists that the true hero is the group, not one exceptional man. Resistance is framed as an inherently cooperative act where isolated heroism fails and only the bonded collective endures.
The alien power does not confront the resistance directly but forces conquered humans and lower alien castes to fight on its behalf, keeping the true enemy hidden behind layers of coerced proxies. This means the people you fight hand-to-hand are themselves victims controlled by the real oppressor, who is never physically reached.
In a card-game evening among friends, a phosphorescent snow begins falling over Buenos Aires that kills instantly on contact with skin, trapping survivors indoors and severing them from the outside world. The ordinary domestic scene becomes the starting point of an invasion, showing catastrophe arriving not with warning but mid-routine among familiar people and places.
Ordinary survivors counter a technologically superior invader by improvising protective suits, sealing houses, and repurposing everyday objects and weapons rather than waiting for institutional rescue. Viewed this way, resistance capacity depends less on matching the enemy's technology than on local ingenuity with whatever materials remain at hand.