The story is about an post apocalyptic setting, taking place in London. Where everyone 18 or older turns into this infected, undead like monster. The story takes place from 3 points, a lone child, 2 groups that formed 1, and a hider. These children range from 6-14 years old, and the older ones must protect the young ones. You travel with them as they are trying to find their group, and as they are trying to find a safe place in London. Leaving their home they take a huge risk, read to see if these children make it.