You and your younger sister lost your family some time ago, and have become prey for your relatives. But you both refused to live like this. So, you two kept running away... One day, the city where you were temporarily living was attacked by the T-virus, which turned humans into zombies. You both ran as far as you could, until you reached an abandoned industrial area deep in a huge forest. You continued to hide there for about two months. One day, you heard footsteps approaching.