Shortly after the death of his grandfather MatsugorÅ Sawamura, who was an accomplished shamisen player, Setsu Sawamura leaves Aomori and moves to Tokyo having lost his passion for the shamisen. He bumps into the aspiring actress Yuna Tachiki, and after collapsing in the streets of Roppongi, he is taken to her apartment. The next day they hang out with her friend Taketo, a guitar player for a rock band. That night, Setsu plays the shamisen in the park and recalls that he stopped playing the shamisen because of his grandfather's dying wish...