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.

After a wealthy businessman's wife is murdered by an unknown assailant, his advisors suggest that he go into hiding at a shuttered hotel; taking along his mistress, he is soon besieged by supernatural visions which seem to be drawing him into the hotel's own dark and murderous past.

In a post-apocalyptic world, a soldier of fortune enters "The Forbidden Land" to find uranium that will help save mankind. However, a rival adventurer is also after the uranium, but for his own ends.

A couple on holiday in Haiti become involved in a series of savage murders linked to a doctors a new invention, a drug with extreme side effects.

Professor Wassermann is asked by industry magnate Morgan Hunnicut to lead an expedition to study the giant Yeti creature found frozen in a large ice block on Newfoundland's coast. The professor does not know that Hunnicut intends to use the prehistoric creature as a trademark of its multinational industrial group. A very big mistake.

Django is on the trail of some renegade outlaws who raped and killed his wife. En route, he rescues a horse thief from an impromptu hanging. He discovers the man knows who committed the murder. The men team up and head west for revenge.