Catherine the Great falls in love with an army officer who is plotting against her.

Madeleine steals a string of pearls in Paris and uses American engineer Tom, who is driving on his vacation to Spain, to get the pearls out of France. But getting the pearls back from him proves to be difficult without falling in love.

In 18th-Century Russia, the Czar, Paul, is surrounded by murderous plots and trusts only Count Pahlen. Pahlen wishes to protect his friend, the mad king, but because of the horror of the king's acts, he feels that he must remove him from the throne.

A prince from a small kingdom courts a wealthy widow to keep her money in the country.

A simple Connecticut farm girl is recruited by a distant relative, an aristocratic patroon, to be governess to his young daughter in his Hudson Valley mansion.

A countess fleeing her husband mistakes a count for her hairdresser at a Monte Carlo casino.

A happily married woman sees a psychoanalyst and develops doubts about her husband.

In 1861, Countess Angelina, ruler of Bergamo in southeastern Europe, is at a loss when invaded by a Hungarian army. Her lookalike ancestress Francesca, who saved a similar situation 300 years before, comes to life from a portrait to help her descendant. Complicating factor: the newlywed countess feels strangely drawn to the handsome Hungarian invader, Colonel Teglash, who commandeers the castle to give his exhausted soldiers a rest, but later falls in love with the owner of the place.
The film was Lubitsch's first musical project since directing The Merry Widow for MGM in 1934. It proved to be his last film. Eight days after principal photography began, he died of a heart attack, and Otto Preminger, who had completed A Royal Scandal when Lubitsch was forced to withdraw due to illness in 1944, took over the reins. He stipulated sole screen credit should go to Lubitsch "as a mark of respect and admiration for the departed master."

While vacationing without her busy British diplomat husband, a married woman falls for another man.