A beautiful American woman infiltrates the home of a novelist and his wife so she can investigate the disappearance of her lover — who was her employers’ previous secretary — and soon finds herself the target of the couple's erotic desires and a murder plot.

• West Films
• Barbara Bouchet
• Farley Granger
• Rosalba Neri
• Dino Mele
• Umberto Raho
• Patrizia Viotti
• Nino Segurini
• Petar Martinovitch