Zan is a documentary about the last of the Okinawan Dugong and the people who strive to protect them, located in the outstandingly beautiful and bio diverse Henoko, Oura bay, the Dugong is facing its last stand, its feeding grounds are threatened by the construction of a US Marine base. This film follows imageMILL's Yu Kisami as he brings us on a journey of discovery, aided by NGO NACJS we meet the people who are working tirelessly to protect this beautiful part of the world, a natural heritage for Japan.