From his childhood in Poland to his adolescence in Nice to his years as a student in Paris and his tough training as a pilot during World War II, this epic drama tells the romantic story of Romain Gary, one of the most famous French novelists and sole writer to have won the Goncourt Prize for French literature two times.

Simon Carrerra, just released from prison, is persuaded to take part in the heist of a celebrated diamond. However, when another member of the heist has a different motive, Simon must decide if he wants to continue with the crime or help recover the diamond.