Paris, 1954. The story of the meeting, known thanks to the fortuitous discovery of a forgotten notebook, full of notes and photographs, between a white British aristocrat, Baroness Pannonica de Koenigswarter, writer and jazz patron, and a talented black pianist, Thelonious Monk, one of the best bebop jazz musicians of all time; a prodigious union of wills that overcame the most extreme prejudices of the very conservative US society.