Pozdnycheff, a young party animal, destroyed by his lightness the marital happiness of one of his childhood friends who committed suicide. Since then, he is haunted by the memory.

Alexis, a former war pilot, attempted the Paris-Tokyo raid and failed. He became a taxi driver. The film actress, Margot Fontane, forgets her bag in the taxi and Alexis thus meets her. He goes to see the great actress shoot, he is hired for a small role as an aviator, and to simulate a take-off, he flies to Tokyo. It is the signal of happiness for the two lovers.