Taishi lives with his father Kazushi His mother left home when Taishi was very young and he barely has any memories of her He believes that his mother left home to study in Paris His favorite moments come once a week when he receives a letter from his mother But one day during Taishis summer vacation he learns that his mother isnt in Paris but in Shodoshima Japan Taishi then decides to take his pet dog with him and bicycle from his hometown of Yokohama all the way to Shodoshima On his 500 kilometers trip to Shodoshima Taishi meets various peoples and touches their hearts while leaving behind small miracles What Taishi doesnt know about his mother is that she suffers from memory loss and thats why she lives apart from her family Taishis father Kazushi soon learns that his son has left for Shodoshima and he sets out to find his son
