Plague Slayer

You awake in the streets of what seems to be vast, abandoned city. As you get up you, you see pale figures, where there ribs are showing, teeth are missing, and there hair have fallen, walking aimlessly around. It’s as if there in a zombie like state. You explore, and eventually make your way to a large clock tower. There you make eye contact with a fair lady, whom has bodies littered all around her. So, what do you do? You can be any gender.