Lila doesn`t just want to be a Firework-Maker`s daughter, she wants to be a Firework-Maker herself. But although she`s learned a lot she still must get through the most difficult and dangerous part of her apprenticeship - and her father won`t tell her what it is. In search of this final Firework-Making secret, Lila heads off alone on a journey. It is a journey filled with dangers beyond anything she could have imagined, a journey on which she will learn so much more than the one secret she set out to find .