To win a bet on which the future of their naturist club depends, a group of nudists agree to spend three months on a deserted island in Brazil, living under the same conditions as the Caiapó tribe. They build their huts, feed themselves with fruit and fish, and enjoy themselves playing outdoor sports.

• Wonder Filmes
• United Producers International
• Flora Romeiro
• Vera Zulmira Romeiro
• Elga Stefan
• Elsa Martha Fernandes Araujo
• Suzanne Cândido
• Cely Rosa de Souza
• Eliana Laura Cunha Lima
• Jorge Hipólito Celmini