After a young boy captures a rare butterfly in Nagasaki, a caterpillar begins a relay-trip toward the northern tip of Hokkaido, serving as a silent witness to a series of vignettes featuring people struggling with the psychological and social scars of post-war Japan.

Mariko Kaga
as

Hiroyuki Nagato
as

Shoichi Ozawa
as

Fumio Watanabe
as

Kyū Sazanka
as

Rokkō Toura
as

Toshie Kimura
as

Yukio Ninagawa
as

Masahiko Naruse
as

Hōsei Komatsu
as