该剧根据芥川龙之介的《上海游记》改编。影片讲述100多年前，作为大阪每日新闻记者的芥川龙之介来到上海的所见所闻。

Master thief Lupin the Third and his friends have to compete with a greedy banker and her minions to help solve a mystery leading to a treasure that is said to hold history's most powerful rulers.

Oei, later known as Katsushika Oi, was born the third daughter of Edo’s talented painter Katsushika Hokusai and his second wife Koto. Although Oei became the wife of a town painter for a time, her love of the paintbrush more than her husband spelt disaster and she comes back home to Hokusai from the family she had married into. This is how Oei starts to help her father out in his painting of the “insurmountable high wall”. Meanwhile, Oei can only talk to the painter Ikeda Zenjiro, who is her father’s student, about her pain and worries. Zenjiro has taken Edo by storm as Keisai Eisen, the master of ukiyo-e portraying beautiful women. He visits regularly because he admires Hokusai and secretly likes Oei although their relationship is like childhood friends. Oei respects her father whose paintings fascinated her and continues to work as a painter who supports him behind the scenes. When Hokusai’s masterpiece Thirty-six Views of Mount Fuji was completed, she was also by his side.

Kazuhiko Kogure, who is a 2nd grade student in middle school, falls off from one of the school's rooftop. There were other male students on the roof when Kazuhiko Kogure fell off. According to the other students there, Kazuhiko Kogure tried to jump to another school building, but missed. Fortunately, Kazuhiko Kogure only fractured his leg and ribs. According to Kazuhiko Kogure's mother Hidemi, the school insists it was students playing around and did not involve bullying. Hidemi though, doesn't believe it, because Kazuhiko Kogure has a fear of heights. Hidemi goes to see attorney Machiko Mayuzumi and Machiko decides to take her case, but she asks for fellow attorney Kensuke Komikado's help. Meanwhile, the school hires attorney Teshigahara Isao.

One day, five kindergarten children suddenly disappear from a kindergarten in Tokyo, sending their teachers and parents into a panic. The five of them are connecting on trains and headed to an unfamiliar place for some purpose. Before their journey, they had made a promise to each other “not to cry no matter what happens”