Yuuki Kai is a senior at a university studying social welfare psychology and trying to find a job. One day, he encounters a girl, Hagio Sae, playing the violin, and becomes intrigued. He eventually discovers that she has lost her hearing, and can now only communicate using Japanese Sign Language. Before they reveal what they think about each other, Sae and Kai must overcome a lot of barriers. They both become stronger along the way, finding their goals.