Ellie leads a normal mundane life in the country but when her friends and her decided to go on a big camping trip to a far off valley know as Hell her life takes an unexpected turn for the worse. When the teens arrive back home they discover that invaders have come and captured all their loved ones. They are one of the few groups of people who have not been captured. With their life in tatters they know what they must do - grab supplies and go and live in Hell. As the teens discover more about themselves then they want to know, ponder their own morals, fight against the invaders and even fall in love John Marsden takes us on a not-so-happily-ever- after journey through the eyes of a young adult.