In the middle of the jungle, in a large aviary, a lively masked ball is taking place, where bird costumes are de rigueur. Léandro, one of the guests, feels overwhelmed by the excitement of the party. He decides to get some fresh air on the balcony of his glass cage, when a mysterious bird snatches his mask. Unmasked against his will, Leandro sets off in search of his stolen property and plunges into the dense jungle. Along the way, as he sheds all his trappings, he discovers a more authentic version of himself and is transformed into a bird.