该片改编自荒木源所著同名小说,讲述了以热爱古典音乐的年轻高中老师加入了一个全是老年人的业余交响乐团,在乐团中她不仅将挑战小提琴的演奏,还在形势突变的情况下拿起指挥棒,成为了乐团指挥的故事。When the new teacher at the high school, who has played violin since her school days, hears a local amateur orchestra her interest is rekindled and she determines to join. Being new and unfamiliar with the town she accidentally enrolls in an orchestra comprised of the elderly who nonetheless are delighted to have the younger blood. The teacher does not have the heart to backtrack and disappoint them. She is the permanent new conductor.