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.

A man becomes a werewolf after being cursed by a black magic society. Only a jeweled necklace he wears can stop the transformations taking place.