As a Labrador puppy, Quill is sent to live with a couple, Isamu and Mitsuko Nii, who work as volunteers, training guide dogs (seeing eye dogs). When he grows to an adult dog, he is taken to a guide dog school, by a friendly, yet firm trainer Satoru Tawada. Although Quill is a little slower than the other dogs at the school, he seems to have an unusual 'empathy' and re...