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. Girls kept prisoner under appalling conditions to dig emeralds for an evil tyrant are rescued by revolutionaries disguised as soldiers.