Yuki Sawamura, who lives in Aomori, grew up listening to his grandfather Matsugoro's Tsugaru Shamisen. He also plays the zither well, but his grandfather says he is just imitating him. After Matsugoro's death, Yuki decided to leave his hometown and go to Tokyo because of the emptiness of not being able to hear his grandfather's music. However, Yuki, who is not used to the big city, is harassed by gangsters in Roppongi. Fortunately, Yuuna, a hotel public relations officer who passes by, saves him. Yuuna, who is working hard towards her dream, sees herself in Yuki and decides to take him in...