Jesper, a boy when the Nazis occupied Denmark, is a member of the Danish resistance and has gone underground to protect his family. If he is caught he will be tortured and killed. So he is known only by his code name, Kris.
When her father's new job takes the entire family to a dilapidated old abbey in England, twelve-year-old Maggi discovers that both she and the building are haunted by ghosts from their pasts.
