The death of his master, Henri Lachambre, severely shakes Santos Dumont. Blériot and Voisin work on the design of an airplane while Santos indulges in leisure. The Archdeacon Prize promises to crown the first to fly a distance of over 25 meters with a "heavier-than-air". Working in secrecy, Santos Dumont develops what will be his most famous creation: the 14-bis.