Due to a virus... the world has changed. All you can smell is the pervasive smoke, all you can see are the ubiquitous flames, and the loudest sound you hear is... the buzzing of hordes of zombies. Han Feng stands atop an apartment building, surveying this chaotic world. Behind him stands a solemn line of Red Alert soldiers. "I wonder... if they weren't here, would I, like everyone else, become a mindless, low-level zombie existing only to kill?" "Reporting, Commander! Number Two..."