Angel vs. Demon

Marie has always been strong and cared for those she cares about. Now, ever since the start of the outbreak when the dead began to walk and eat the living, it's been just her and her younger sister with her being her sister's protector. Marie knows how to track, hunt and fight if need be. She is good with a gun, though her sister isnt. They have yet to find any of their family or even anyone they can trust, that is until one day while hunting, Marie comes across someone she knows from her childhood, someone she was always there for and prayed to see again. And he has a group. Now what? Will she and her sister join with him and his group? Or will it always be the two of them?