Featuring footage from various concerts, as well as interviews with Astor Piazzolla's son Daniel Piazzolla and grandson Pipi Piazzolla, his wife Laura Escalada, bandoneonist Julio Pane, guitarist Oscar López Ruiz, pianist Lito Vitale, singers Jairo and Raúl Lavié, historian María Susana Azzi, journalists Marcelo Gobello and Alfredo Rosso, among others, the documentary tells the story of one of the most important artists of the 20th century through these diverse voices. Piazzolla is portrayed as a true innovator, both through his mastery of the bandoneon and his groundbreaking approach to composition.