In a Post-War Tokyo, when the bureaucratic chief of department of the City Hall Kanji Watanabe finds that he has a terminal cancer, he decides to intensively live his last months of life. While dying, he finds the meaning of life, and fights for the construction of a playground in a poor zone of the city and the legacy of his existence.

Three stories from Shiratsuna Island: "Mikan no hana" Shiratsuna Island is the only remaining island city in Japan, but it is being merged with a city on the opposite shore. Housewife Misato Tomita lives on the island. "Umi no hoshi" Yōhei Hamasaki, who was born on Shiratsuna Island, lives in an apartment in the outskirts of Tokyo with his wife, Tomomi, and their son, Taichi. "Kumo no ito" Popular artist Hirotaka Kurosaki, who is a native of Shiratsuna Island, goes back to his hometown after seven years.