A French film star visits Coimbra and it's old university, and breaks a poor local girl's heart, as her fiancee turns his attentions to the foreign girl. In a play within the story, one is told the sad love story of Don Pedro, king of Portugal, and Inês de Castro.
On the eve of getting married by order of his mother to a wealthy American heiress, Leon learns that his former friend just had a child. She cannot keep him, however, being in poverty.
The mysterious vigilante Milton has warned Scotland-Yard of his intention to kill the lawyer Maurice Meister who is the cause of his sister's suicide. Police and detectives watch over the lawyer's home, but on the day and at the appointed time Meister is murdered.
A rich, idle young man falls in love with a cabaret singer. Very skilful, she pretends to remain insensitive to this love, thus hoping to better achieve her ambitious ends.
Mr. Durand is bored in his relationship. He takes a mistress but does not take long to return to his wife, a little because he is sad, a little also because he has affection for her, but above all out of selfish habit.
Foreign spies are interested in plans for a device invented by a French aviator. They kidnap the young man but fail in their business thanks to the energy of his wife and the cunning of the mechanic.
