22-year-old Alexander is studying at a music college and arrives to his last rehearsal before the final competition. With the help of his teacher, he seeks to remember the reasons he chose his particular instrument—the cello—and his memory reverts to a day in his youth when he gave his last concert as a young chorister.

In a small street in Brussels there is an unusual concentration of pianists: on one side, the house of Martha Argerich; on the other, that of the Tiempo-Lechners, four generations of pianistic prodigies. At just fourteen years old, Natasha Binder is the heir to a dynasty, her last great promise.