Count Karnstein sends for a doctor to help his sick daughter Laura. Her nurse believes she is possessed by the spirit of a dead ancestor, Carmilla. A young woman becomes intrigued by the mysterious deaths surrounding Laura after a carriage accident outside the castle forces her to stay. They become close friends until Laura becomes convinced the spirit of Carmilla is forcing her to kill.
In the first half of the 1600's, France is at war with Spain. The cousin of the king of Spain, Isabella, is held captive in the French castle, and the Count of Seville is sent to France as a diplomat. While there, he is escorted by the Three Musketeers, who discover that he has secretly made a deal with Cardinal Richelieu to disclose Spanish military secrets in exchange for Isabella's release. However, he is merely bluffing and plans to take Isabella by force. When the musketeers discover this, they come to his aid, and together the four of them work at freeing the Countess. Meanwhile, the Count doubles as Zorro to free the Spanish court from a treacherous suitor.
Tarzan returns to his homeland of Africa to save his home from destruction.
Maciste and his people flee their volcano-ravaged island. They end up caught in between two warring tribes.
Italian explorer rescues the daughter of the Mongol leader Kublai Khan, meets a hermit who has invented gunpowder and builds a cannon.
Though Genghis Khan eventually sought peace with the West, his death in 1227 AD puts into power his three war-like sons: Sayan, Susdal, and Kin Khan. These sons quickly overrun the city of Tuleda and take prisoner Princess Bianca, though young Prince Alessio escapes. Hercules comes to the rescue of Bianca, winning her freedom in a tournament in exchange for becoming a slave himself. Forces from the West soon come to re-take Tuleda and Hercules -- freed from his bonds -- helps to dispatch Genghis Khan's three sons while again saving Bianca and reuniting her with her young brother.
This film features a colossal clash between a mass of invaders and the faithful Roman soldiers who must fight to defend the Roman Empire.
