A rich man's son has lived a dissipated life and has joined a circus where he shares the courageous and perilous lives of its artists. He falls in love with a young dancer and is loved in return by her. But their passion goes through many vicissitudes.

A beautiful woman falls in love with a tenor giving her singing lessons. The evening when she is to appear in public for the first time, the tenor is called back to his country where his daughter has just drowned. He loses his voice and his mind. The young woman finds him one day, dying.