On one side of humans, on the other side of animals. The challenge is to unite dancers and swans on stage so that they share an accomplice artistic gesture unrelated to dominance. Anne Buxerolle followed this unprecedented creative process for two years from the moment the egg came out to the premiere at the Palais de Chaillot. Luc Petton, the choreographer, but also dancers and birders tell this exceptional adventure where the meticulous approach of the other, his body, his natural rhythm, his share of the unknown, questions us about the difference of natures and our relationship to the world.