The incredible story of a once in a lifetime event. Set amongst the spectacular scenery of southern New Zealand, a most strange and bizarre tale unfolds. The stuff of folklore, ‘Once in a Blue Moon’ unravels the mystery of an event that occurs briefly once a decade. This strange and unreal journey takes us into some of the most remote and beautiful parts of New Zealand as we follow one anglers quest to document and unravel a childhood mystery and catch the fish of a lifetime.