The Austrian Secret Service sends its most seductive agent to spy on the Russians.

American chemist Ned Faraday marries a German entertainer and starts a family. However, he becomes poisoned with Radium and needs an expensive treatment in Germany to have any chance at being cured. Wife Helen returns to night club work to attempt to raise the money and becomes popular as the Blonde Venus. In an effort to get enough money sooner, she prostitutes herself to millionaire Nick Townsend.

During the 18th century, German noblewoman Sophia Frederica, who would later become Catherine the Great, travels to Moscow to marry the dimwitted Grand Duke Peter, the heir to the Russian throne. Their arranged marriage proves to be loveless, and Catherine takes many lovers, including the handsome Count Alexei, and bears a son. When the unstable Peter eventually ascends to the throne, Catherine plots to oust him from power.

In the carnival in Spain in the beginning of the Twentieth Century, the exiled republican Antonio Galvan comes from Paris masquerade to enjoy the party and visit his friend Capt. Don Pasqual ‘Pasqualito’ Costelar. However, he flirts with the mysterious Concha Perez and they schedule to meet each other later. When Antonio meets Pasqualito, his old friend discloses his frustrated relationship with the promiscuous Concha and her greedy mother and how his life was ruined by his obsession for the beautiful demimondaine. Pasqualito makes Antonio promise that he would not see Concha. However, when Antonio meets Concha, she seduces him and the long friendship between Antonio and Pasqualito is disrupted

A beautiful temptress re-kindles an old romance while trying to escape her past during a tension-packed train journey.

The Foreign Legion marches in to Mogador with booze and women in mind just as singer Amy Jolly arrives from Paris to work at Lo Tinto’s cabaret. That night, insouciant legionnaire Tom Brown catches her inimitably seductive, tuxedo-clad act. Both bruised by their past lives, the two edge cautiously into a no-strings relationship while being pursued by others. But Tom must leave on a perilous mission: is it too late for them?

In 1947, four German judges who served on the bench during the Nazi regime face a military tribunal to answer charges of crimes against humanity. Chief Justice Haywood hears evidence and testimony not only from lead defendant Ernst Janning and his defense attorney Hans Rolfe, but also from the widow of a Nazi general, an idealistic U.S. Army captain and reluctant witness Irene Wallner.

When Leonard Vole is arrested for the sensational murder of a rich, middle-aged widow, the famous Sir Wilfrid Robarts agrees to appear on his behalf. Sir Wilfrid, recovering from a near-fatal heart attack, is *supposed* to be on a diet of bland, civil suits. But the lure of the criminal courts is too much for him, especially when the case is so difficult: Vole’s only alibi witness is his wife, the calm and coldly calculating Christine Vole. Sir Wilfrid’s task becomes even more impossible when Christine agrees to be a witness not for the defence but for the prosecution.

James Stewart plays aeronautical engineer Theodore Honey, the quintessential absent-minded professor: eccentric, forgetful, but brilliant. His studies show that the aircraft being manufactured by his employer has a subtle but deadly design flaw that manifests itself only after the aircraft has flown a certain number of hours. En route to a crash site to prove his theory, Honey discovers that he is aboard a plane rapidly approaching his predicted deadline.

A struggling actress tries to help a friend prove his innocence when he’s accused of murdering the husband of a high society entertainer.

In occupied Berlin, an army captain is torn between an ex-Nazi cafe singer and the U.S. congresswoman investigating her.