A young couple, Renée and Pierre, take a room at the Hôtel du Nord, in Paris, near the canal Saint-Martin. They want to die together, but after shooting Renée, Pierre lacks the courage to finish the job and flees. Another guest, Monsieur Edmond, rescues her. When Renée gets out of the hospital she is hired as a waitress at the same hotel. Monsieur Edmond falls in love with her, but Renée is still thinking of Pierre.
