The School Ship Tobermory and its intrepid young crew are back in Hebridean waters. When a violent storm blows them off course to a remote island, they discover a fisherman's journal written a hundred years ago which tells of a mysterious shipwreck crammed with treasure. But without a precise location, where do they start looking? An extraordinary chance encounter gives them a valuable clue... 9+ A story of courage, ingenuity and comradship.