Seventeen year-old Carrie Garland wakes suddenly in her cabin aboard the famous cruise liner, the Queen of the Ocean. It is four thirty in the morning, and she is alone. As she searches for her family she starts to notice odd things, like new paintings in the gallery, an old-fashioned pub in the Atrium and for some reason all the decks are numbered "thirteen". Why is the clock on her phone stuck? Why has the ship's name suddenly changed...