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 young reveler, heavily in debt, finds a job in Pondicherry, but he must be married, and he has only twenty-four hours to do so. After an evening of revelry, he finds himself locked in with his friend's fiancée, leading to a marriage made possible by a miraculous inheritance.

Talkie remake of a 1927 silent about the adventures of the notorious womaniser and venetian adventurer Chevalier Giacomo Casanova. Action starts in Venice and then the plot takes Casanova to France and Russia.