En l'an 1220, Sir Guy of Devon (David Farrar) et un petit groupe de croisés anglais, arrivent à Samarcande, en Asie centrale. La ville et la princesse régnante, Shalimar (Ann Blyth), sont menacées par Genghis Khan (Marvin Miller) et ses hordes. Shalimar espère vaincre le conquérant par la ruse, alors que Sir Guy préfère la bataille frontale. En dépit d'une attirance réciproque entre Shalimar et Sir Guy, leur méthode divergente compromet tout espoir de victoire.
Two US government agents, Hal Duncan and Sam Bradley, must prevent agents of a foreign power, led by Regan and Cady, from hijacking trucks and stealing defence materials being transported by truck. They are hired by an interstate trucking
Enemy saboteurs infiltrate the industrial suburbs of London, intending to plant high-powered bombs at several factory sites. Their motivation is to cripple the British economy and enable subversive forces to insinuate themselves in the government. The saboteurs are thwarted not by the traditional counterintelligence agents but by workaday London police officers.
During the siege of Richmond, Virginia, in the American Civil War, POW Capt. Cyrus Harding escapes from his Confederate captors in a rather unusual way – by hijacking an observation balloon. In his escape, Harding is accompanied by sailor Pencroft, his nephew Bert, writer Gideon, loyal soldier Neb, and a dog. A hurricane blows the balloon off course, and the group eventually crash-lands on a cliff-bound, volcanic, uncharted (and fictitious) island, located in the South Pacific, with very unusual inhabitants. They name it "Lincoln Island" in honour of American President Abraham Lincoln.
The queen of Ujjain is keen for her daughter Indumathi (alias Indu) to marry her brother Surasena, a timid and mentally unstable person. When the gardener's son 'Thota' Ramudu beats Surasena at a concert for irritating the common people, he is summoned by the king to the court. His boldness leaves a considerable impression, but when Ramudu declares his love for Indu a day before his death sentence for meeting Indu secretly, the king is reminded of the astrologers' prediction that only a brave man can save her from a wicked sorcerer. He then challenges Ramudu to amass wealth equal to that of his in order to marry Indu, to which Ramudu agrees. He is released from prison.
Michael Bachlin, médecin américain et délégué des Nations unies, monte à bord de l'express pour Pékin. Officiellement, il est chargé de fonder un centre de chirurgie du thorax à Shanghai. Officieusement, il doit rencontrer le chef de l'opposition au régime chinois. Durant le voyage, il retrouve Danielle Grenier, une séduisante jeune femme qu'il a connue à Paris quelques années plus tôt...
The year is 1830. The American clipper ship, the Queen, is attacked by pirates in the New Hebrides (present day Vanuatu). The ship's mate Kirk Hamilton (Arness) is wounded and heads to Queensland, Australia for medical treatment. While at the hospital, he meets and falls in love with Elaine Jeffries (Rogers), the fiancee of Martin Shannon (Bill Kennedy) a rancher. A romantic rivalry develops and the pirates, who attacked Kirk and his ship kidnap her along with her friend, Nancy Holden (Jane Harlan). Kirk and Shannon pursue the pirates and they soon wind up on a volcanic island, inhabited by dinosaurs.
Fifteen years ago, wealthy but crippled Colorado cattleman Arch Strobie (Ray Collins), whose own son Lee (Robert Walker) is wild, took in young Owen Daybright (Burt Lancaster) as a foster son to help raise him. Now Owen is ranch foreman, but Lee, despite being married to Jen (Joanne Dru), is wilder than ever.
Owen Merritt, petit propriétaire d'un ranch, se fait voler la femme qu'il aime par un important propriétaire terrien, Will Isham. Mais quand celui-ci apprend que c'est un mariage d'intérêt, il décide de se débarrasser définitivement de celui qui reste son rival. Merritt ne réagit pas, jusqu'au jour où ses deux amis et associés sont assassinés par l'homme de main de Isham.