Lyra is an orphan who lives in a parallel universe in which science, theology and magic are entwined. Her search for a kidnapped friend uncovers a sinister plot involving stolen children and turns into a quest to understand a mysterious phenomenon called Dust. She is later joined on her journey by Will, a boy who possesses a knife that can cut windows between worlds. As she learns the truth about her parents and her prophesied destiny, the two young people are caught up in a war against celestial powers that ranges across many worlds.
A zombie apocalypse threatens the sleepy town of Little Haven – at Christmas – forcing Anna and her friends to fight, slash and sing their way to survival, facing the undead in a desperate race to reach their loved ones. But they soon discover that no one is safe in this new world, and with civilization falling apart around them, the only people they can truly rely on are each other.
As a snow storm closes in, one final plane takes off. The plane reports to the ground that both pilots are dead, while the slowly dwindling number of passengers on the plane wish that they’d never left the ground.
