Death came from nowhere. As always, she took everyone by surprise. Several people were quick enough to barricade themselves in the supermarket and start looking for ways to survive. You are the leaders of this group, and its future is not particularly rosy. You are probably the only survivors. Your new home is already beginning to deplete its supplies, and behind the glass are a lot of monsters, hungry for the flesh and perhaps your souls.
So, today is the fourth day of the end of the world.