In Pompeii, in the year 79AD, Lysias, a wealthy young Greek, abducts the beautiful Hélène, who is a pupil of Arbax, the sinister High Priest of Isis. For revenge, Arbax causes Lysias to drink a magic potion to make him fall in love with his ally Julie, but Lysias becomes mad from the drink. Nidia, a young slave girl rescued by Lycias, has overheard the plot and accuses Arbax of trying to kill her master. Arbax kills the girl and has Lysias accused of the murder. Condemned to the lions in the arena, Lysias only escapes the punishment when the eruption of Vesuvius brings panic to the town, and he leads Hélène to safety.
Bergman plays Karin, a displaced Lithuanian in Italy, who escapes the internment camp by marrying an Italian POW fisherman (Mario Vitale), whom she met in the camp on the other side of the barbed wire. He promises her a great life in his home island of Stromboli. She soon discovers that his home island is very harsh and barren, not at all what she expected, and the people, very traditional and conservative, show hostility and disdain towards this strange, foreign woman.
The film plot involves a former prostitute (Magnani) who is exiled to the island of her birth by the police . There she suffers ostracism by the islanders and tries to defend the virtue of her younger sister from the advances of a deep-sea diver . It runs for 106 minutes.
In a modern day prologue, a group of hikers caught in a storm seek shelter in a cave. They encounter an anthropologist (Conrad Nagel, "The Narrator") who interprets prehistoric carvings that introduce the story of a young caveman.
À la suite d'un crash d’avion, l’aviateur Bob Mitchell et son mécanicien Jimmy Wallace se retrouvent sur une île du Pacifique. Ils ont échappé à la mort grâce à Toura, une belle jeune fille, vivant seule avec un chimpanzé et un tigre Meewa. Toura est considérée comme une déesse par les indigènes des îles voisines. Ils font la connaissance de la jeune fille très ignorante des coutumes civilisées, Bob tombant sous son charme lui enseigne même comment embrasser. Prêts à quitter l’île sur un radeau de fortune, ils sont attaqués et capturés par les cruels adorateurs du dieu Crocodile dirigés par un prêtre dément nommé Kuasa. Tous les blancs sont devenus ses ennemis mortels depuis qu’une Anglaise a rejeté une fois son amour, il s’est vengé d'elle en kidnappant sa fille Toura qu’il a installée dans l’île. Voyant que Toura veut partir, Kuasa veut la sacrifier avec ses nouveaux amis au dieu crocodile quand le volcan se met en éruption et détruit Kuasa et ses hommes. Bob, Jimmy et Toura rencontrent sur la plage des sauveteurs dans lesquels se trouve Eleanor la fiancée de Bob. Bob épris de Toura doit maintenant choisir entre elle et sa fiancée.
In the time of Jesus Christ, blacksmith Marcus (Preston Foster) is content with his life, beautiful wife Julia (Gloria Shea) and six-month-old son. However, when Julia and their child are run down by a chariot in the streets of Pompeii, Marcus spends the little money he has to pay for a doctor and medicine. Needing more, in desperation, he becomes a gladiator. He wins his fight, but in vain; his wife and child die.
As a yacht sails into an island chain in the South Pacific, a large number of natives in pontoon boats sail out to greet them. The natives dive for the trinkets the yacht's crew throws them. A shark arrives, scaring most of the natives away. In an attempt to catch a shark by throwing it bait that has been tied to a harpoon-sized hook, Johnny Baker (Joel McCrea) accidentally steps into a loop that tightens around his ankle. The shark takes the bait, and the rope grows tighter, causing the rope to yank the young man overboard. Luana (Dolores del Río), the daughter of the chief, saves his life by leaping into the water and cutting the rope.
À cause d'une rivalité amoureuse, Glauco, un bel Athénien aux multiples conquêtes, devient le pire ennemi d'Arbace, grand prêtre égyptien du temple d'Isis. Ce dernier a déjà éliminé un de ses proches qui menaçait de faire des révélations sur son compte et s'arrange pour faire accuser Glauco à sa place, qu'il fait jeter dans la fosse aux lions. Mais peu après, le Vésuve entre en éruption.
In Pompeii 79AD, Glaucus and Jone are in love with each other. Arbace, Egyptian High Priest is determined to conquer her. Glaucus buys the blind slave Nidia who is mishandled by her owner.