you've joined the U.S army in fighting zombies, for now they aren't in U.S.A. But they are in China, so you have been sented to China to help them. Before you had arived in China you heard that Zombies also are in Europe (South Italy to be exac) and then you got a feeling like they will attack your country. And then you had arived in China, you have seen lots of people going to planes and to ships to escape this damn madness, ruined buildings and lifes of an innocent people that had suffered