Lina, a music hall singer, has fallen in love with Sergei, a Russian prince. Maestro Doria, who gives her voice lessons and who hopes to make her his mistress, takes her to Paris where she becomes the star of the "Folies-Plastiques".

• Sédif Productions
• GE.S.I. Cinematografica
• Gina Lollobrigida
• Vittorio Gassman
• Robert Alda
• Anne Vernon
• Tamara Lees
• Gino Sinimberghi
• Nanda Primavera
• Enzo Biliotti