Every summer for hundreds of years, Japanese skies have lit up to the delight of old and young alike. Such marvelous pyrotechnics are the product of special expertise demanding skill, dedication and considerable creativity: it is not easy to become a fireworks master. In this fascinating study of a unique craft we watch the father and son team of Tamon and Akio Aoki prepare meticulously for a major - and impressive - display at Ise Shrine.