Cardinal Mercier protects the altar of his church from desecration when German forces invade the Belgian city of Louvain during World War I. Although the soldiers commit widespread atrocities, the cardinal does his best to protect the townspeople.

During World War I, Louise, a French girl, refuses to leave her château after the invading Germans take it over for use as their headquarters. A German officer, Col. von Knorr, makes repeated advances on her, but she rebuffs him.

A Parisian tailor goes to a château to collect a bill, only to fall for an aloof young princess living there.

Shanghai Rose is the proprietress of a gin mill which doubles as a bordello. A murder occurs, and she is put on trial for her life. A series of flashbacks "reconstruct" the crime from several different points of view -- and as the story progresses, it becomes less and less obvious that Rich is the guilty party.

Tom Conway, a wealthy American from Yonkers, saves a girl from assailants while in London and, with the help of a friend, Tiger Bugg, finds her lodging for the night with Molly Montrose, their actress friend. The following day, Molly discovers that both her jewels and the girl are missing, and Tom supposes that the strange girl, who gave her name as Isabel Francis, is responsible for the theft. Tom later learns that Isabel is the Princess of Lividia, who has run away from her country rather than marry King Danilo (who has also run away and is in London, paying court to Molly Montrose). Danilo and Isabel are kidnapped by agents of Lividia and taken home to be forcibly wed. Tom and Molly follow them, and Tom prevents the marriage.

Sonia Smirnov, a Paris opera singer known as "The Black Butterfly", starts an affair with young Alan Hall. Hall, however, is still pining over his previous lover, a young peasant girl.

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.

The story of a young actress trying to attain stardom on Broadway.

A nurse's younger brother is caught in a shootout between a criminal gang and the police, and he is shot and killed. The officer who is accused of shooting the man knows that he didn't do it, and sets out to find the real killer and clear his own name.

Button Gwinett Brown is a freshman congressman on a mission to rid Washington of corruption. He quickly runs afoul of the powerful Senator Norton...