Claire and Jeanne are twin sisters, united by the same passion: the piano. Coached by their father like athletes, they join the prestigious Karlsruhe Conservatory. They are now competing to be soloists and training for a concert that will make or break their careers. But Claire and then Jeanne discover they are suffering from a serious illness and are slowly losing the use of their hands. With the support of their family and their undying love of music, they will find a unique way to change their fate. An inspiring and moving tale, based on a true story.