It's the 12th century you live in a nice kingdom, it can be the Spanish kingdom, great Britain, or what you'd like, you are the king or queen or you can be a normal citizen of this land as the only part that is bad is that most of the world has already been taken over by this plague and you and your kingdom have to survive your kingdoms supplies is low and people don't want to go out due to the fear of this plague turning people into infected Everyone calls them cannibals though not knowing what they are

"Did... Did you hear that great Britain fell?"

you need to find a way to save yourself or others