|Kaoru Kobayashi||Watanabe Mitsuru|
|Kippei Shiina||Tawada Satoru|
|Teruyuki Kagawa||Isamu Nii|
|Keiko Toda||Yoshiko Watanabe|
|Shinobu Terajima||Mitsuko Nii|
|Tomoka Kurotani||Masumi Kubo|
|Yûko Natori||Ren Mito|
A Labrador retriever named Quill begins specialized training as a guide dog from an early age, then the canine is paired with a blind man who is initially reluctant to rely on his new partner.