Activities and exploits of firefighters in the context of a village then the capital and under the bombardments of the Second World War where the saving of lives was more important than that of factories.

Duped by a pretty woman who uses him to smuggle a suitcase containing the proceeds of a theft through the station, an honest fellow understands everything and replaces the suitcase with a similar one. The police do not understand anything, but the pretty girl promises to become honest like the one who almost was her pigeon.

Madame Rose runs a seedy hotel in a suburb of Paris. Strong-minded but without the least moral scruple, she once killed her husband whose honesty was a hindrance to her business. Under a suspended sentence, she now indulges in smuggling. One day, Victor, one of her former accomplices hounded by the police, finds sanctuary with her. During a drinking spree, he has the bad idea to entrust to her a suitcase filled with bank notes, a loot with which Victor hopes to rebuild his life in South America. But Rose, lured by temptation, betrays Victor, who is arrested by the police. However, he manages to escape with only one thing in mind, to take revenge on Rose...