In Somerset, England, during World War I, Celandine becomes involved in the lives of the little people living on a hill near her family's farm, while also coming to terms with her own healing abilities and psychic gifts.

Baz and Ray, survivors of an apocalyptic flood, win places on X-Isle, an island where life is rumored to be better than on the devastated mainland, but they find the island to be a violent place ruled by religious fanatic Preacher John, and they decide they must come up with a weapon to protect themselves from impending danger.