Dark Harry: An Ordinary Man with an Extraordinary Secret.

An Australian widower and his teenage son discover a mysterious suitcase the contents of which will make them multimillionaires and give them a dangerous secret that could change the world. A fast-moving tale set largely on a subtropical Queensland island bringing together a cast of people from across the world in an adventure involving kidnapping, murder and criminal gangs. Why was this ordinary man given a 400-year old secret and who is Dark Harry.?