Tian Bian (Shih-Chieh King), a celebrated children's book author who rocketed to fame with his first published story, Roly-poly. But few people know that 20 years previously, the then-aspiring writer was repeatedly turned down by publishing houses and couldn't sell any of the stories he wrote for his son, who was his most dedicated fan. One day, a friend of his son told Tian Bian a tale about a roly-poly doll. The writer took the story and passed it off as his own. Roly-poly became a best-selling book that brought Tian Bian fame and fortune, but the writer was never able to regain his son's trust after the incident. Back in the present day, Tian Bian decides to go back to his hometown in Tainan to find the boy he stole from and make amends. But instead of the boy, the aging writer meets Ka (Hao-Wei Mai), an elementary school student who lost a leg to bone cancer. A friendship quickly develops between the two as they explore the pastoral town together and find strength in each other's company along the way.