At a female prison located deep within the deadly South American jungles, a group of woman are forced to mine for valuable emeralds for the local corrupt government. A group of new prisoners on the way to the jail are ambushed and are convinced to join a group of revolutionaries seeking to overthrow the prison guards and take the treasure of jewels for themselves.

• Arturo González Producciones Cinematográficas
• SNPC - Società Nazionale Produzioni Cinematografiche
• Anthony Steffen
• Ajita Wilson
• Cristina Lay
• Stelio Candelli
• Luciano Rossi
• Aldo Minandri
• Gota Gobert
• Zaira Zoccheddu