When social rules collapse, professional knowledge or the bottom line of human nature, which one can better enable you to survive until tomorrow? On this underground island, everyone is both a survivor and a variable in the denominator of others' survival probabilities. As for the relationship between Lu Feng and Lin Jian, on the edge of absolute rationality and remaining warmth, they struggled to find a way to survive that belongs to mortals.
Purpose: In desperate situations, professional knowledge and the bottom line of human nature are the last weapons of mortals.