When 11 year-old Tim accidentally discovers a photo on the internet of Scottish researcher who happens to look exactly like his father, he's driven to find out the truth. Tim travels to Scotland where he finds not only his real father, but also the 600-year-old Druid Oki, the famous Loch Ness monster Nessie and magician Merlin. Oki reveals to Tim the long-lost secret of Loch Ness, but this is just the beginning of his extraordinary journey. Tim makes the acquaintance of the magician Merlin and also gets to meet the famous Nessie. As magical as it has all been, when crooks kidnap his parents to get their hands on the fabled Philosopher's Stone. Tim discovers that he holds the greatest of all.