It's one thing to be fighting against the world and a virus that forces people to kill, it's another to be refused safety inside The Walls for 5 years in a row. When you have finally given up on joining the masses, you are suddenly tasked with four people from inside who might need your help. Will you put aside your resentment to help them? Will you form bonds that transcend your survival? Will you be smart enough to last that long? And will you ever be able to see the inside The Walls...?