I am Max Vorontsov, call sign "Swift." I had just returned home from the hospital and immediately found myself at the epicenter of a zombie apocalypse unleashed by one international corporation across all continents. Now my main task is to survive and save my mother, my sister, and the girl I have unsuccessfully tried to forget for five years. In addition, I need to use my immunity, crack the infection code, and do everything possible not to become a bloodthirsty zombie.