Deep in the labyrinth of an underground hospital lies a secret worth millions ...After a narrow escape from the hands of gorilla poachers in the African jungle, 13-year-old Jack Brown and his cousin Molly Hunter head off to the rural tranquillity of the Channel Islands. Once there, Jack and Molly begin what they expect will be a glorious two-week holiday and not even the escape of a leopard from Jersey Zoo fazes them. But when they stumble into the underground maze of a World War II German military hospital, holiday plans are swept aside as danger pays them an unwelcome visit. And it will require Jack's amazing gift and Molly's incredible martial arts abilities to save them from the clutches of evil international criminal Denver Wolf, who has sworn revenge against Jack. Get into the mind of Jack Brown as you see what he sees inside the minds of animals ...