A documentary film by Efi Xirou with composers George Apergis, François Bernard Mâche, Gerard Pape, Curtis Roads and featuring Françoise xenakis, Makis Solomos, Sharon Kanach, Mâkhi xenakis. Charisma X presents the visonary work and ideas of Greek composer and architect iannis xenakis structured around musical performances, interviews and testimonies from xenakis' collaborators and those with a deep understanding of his work. Musical performances and recollections are presented from percussionist Sylvio Gualda (Psappha), harpsichordist Elisabeth Chojnacka, trombonist Benny Sluichin (performing Keren along the Seine), cellist Frances-Marie Uitti and clarinettist Lori Freedman (performing Charisma in La Tourette), cellist Christophe Roy, and vocalist Spiros Sakkas (Oresteia).
Xenakis  speak sof and is seen in rare archival footage of performances of Polytope de Mycenae, La Legénde d'eer and its Diatope, and the opera Oresteia. Charisma X begins with the diaphanous waters of the Danube River outside his birthplace Braila, Romania, to the demonstrations in occupied Athens during World War II. There xenakis  was as a resistance fighter and suffered the devastating injury which infuenced his life and work. The film includes an interview with the only eyewitness to that event of January 1st 1945. It explores how his experience in architecture, including working for the famed Le Corbusier, came to be expressed in his music, and how is his music transformed his architecture.
His architectural achievements of the Philips Pavilion at Expo 58, the convent of La Tourette, his Corsican home, and the house he designed for his daughter Mâkhi are shown. It investigates the UPIC, xenakis' pioneering achievement to allow the composition of music by drawing on a computer screen completed in 1977 Ñ fulfilling his efforts to combine forms realized in space into sound.