"Meat, bones and blood... that trio is not all that we are to THEM... what about our brains...? our ingenuity and stupidity? We provoke all this. We let them in."

                                           Obed.   

The last man on Earth is dying, n´as he leaving our world while suffers, through his memories (although not in a chronological order) we understand the beginnig of a harrowing odissey that let him to commit the greatest misfortune of our history... until the climax of his repentance.