The man with the wooden shotgun

Britta Jorgensen grew up hearing many tales about her great Uncle Keith Byson, whose life sounded like something out of a children's story book - that he was a hermit who lived in a shack on a deserted island in the Great Barrier Reef, warding off strangers with a wooden shotgun, and who got around in his underwear. Years after his death Britta heads to her uncle's island home, to try and sort out the truth from the tall tales