The famous film director Justin Merlin, having finished directing a big film, retires to rest. He buys a house far from Paris, where he spends his leisure time thinking about his future painting. The house previously belonged to Blanche Hauteville, a remarkable woman, test pilot, and ace of French aviation. In an old secretary, Merlen finds a box with letters. This is a long-term correspondence of the former owner with a variety of people who loved her. Justin Merlin rereads the letters and gradually, day after day, the appearance of a wonderful pilot appears before him. Blanche dreams of going to the moon. A wonderful image of Icarus of our days appears in the director’s imagination. Love, courage, suffering, daring. He already clearly imagines the heroine of his future film...