Director Hayashi is Japan born 4th generation of Chinese, who is not able to handle Chinese language. He knows the past conflict and movement in Yokohama China Town by meeting Fei Long-lu, a ex-teacher at the Chinese School standing for the Mainland. Director films Long-lu, who has experienced (※)the Incident of Yokohama Overseas Chinese School intervened by the Taiwan government causing the dividing Yokohama Chinese and his separation from classmates as a child, led the political movement for China-Japan friendship against Taiwanese Power, and other concerned Chinese resident to the time and other generations, while Yokohama Taiwanese says “they just LEFT”, The film reveals the hidden history of Yokohama China Town and how they look back and face the past.