Celebrating 30 years for city of Urayasu.
Kai Nagae hopes to become a professional violinist. He lives in Urayasu with his parents and older sister. The family used to perform classical music together, however nowadays they care less for music and for each other.
Wishing to be back together, Kai decides to form a family quartet.
Shot during the Great East Japan Earthquake, over 700 civilian volunteers
supported the completion of the film in hopes for a quick recovery.