Adapt the key reading material "I promise" assigned to middle school students all over France. The ace of the Bailey family, another tearful and affectionate work, Cannes queen Charlotte Gansberg, a moving example of a mother in Europe, a 14-week epic that spans five countries and goes deep into the heart of history in the 1920s and 1950s. Roman Gary (Pienine) has a wonderful life, with his poor childhood in Poland, his youth in Nice, France, and his outstanding achievements in Africa as a pilot during World War II. He tastes all the joys and sorrows of life in order to become a great man and a famous writer, all for his mother Nina (played by Charlotte Gansberg). This lovely and maverick woman's strong maternal love for her son made Gary's life full of twists and turns, enthusiasm and mystery, and made him an important writer in the 20th century. However, such endless maternal love will eventually become a burden on his life. The movie Promise at Dawn is adapted from French literary giant Roman Garry's autobiographical novel I promise, published in 1960, which describes Luo.