Jacob and Emma have narrowly escaped the clutches of Caul the evil brother of Miss Peregrine, only to be chased into a corner of the subway by Caul’s wights intent upon killing them. When all seems at its darkest they are saved by an unlikely creature, a hollowgast. Even the wights fear hollowgasts, as they are spirit sucking creatures who consume the souls of living things. While hollowgasts are invisible, Jacob has the gift of knowing when they are present. Emma and Jacob are the peculiar children’s last chance to escape torture by Caul, and releasing their beloved Miss Peregrine. This adventures has so many twist and turns that it is hard to put down