Filli and the cavemen from "When Women Had Tails" are living a carefree life inside a dinosaur skeleton. But when conman Ham introduces them to the concept of currency and economics, their lives fall apart. On top of that, Filli starts to fall in love with Ham.

• Clesi Cinematografica
• Terra-Filmkunst
• Senta Berger
• Lando Buzzanca
• Frank Wolff
• Mario Adorf
• Renzo Montagnani
• Francesco Mulè
• Aldo Puglisi