you live in Los Perdidos, as it was a "normal" day for you, the zombie virus slowly started to take over the population of Los Perdidos, soon the streets are filled with zombies..and suprisingly people have gone insane to a certain level due to the stress or loss of being in this outbreak, leaving alot to not be trustworthy even if they are human, you start your story however you want, and maybe even fight some psychos yourself.