Jenny, a cleaner, is seduced by a local playboy, Edouard. Jenny's parents reject her after she spends the night with him. She finds a job as a vaudeville dancer, but ultimately winds up in the gutter.
Walter Noss is ruined trying to find malleable copper to make material for German torpedoes. One day, in a secret compartment of an old chest, he finds a document from an ancestor describing the formula for this malleable copper.
Séraphine and her mother arrive in Paris to visit the 1867 World Exhibition. In an overcrowded city they must be accommodated in separate hotels. During the night the mother, who wasn't feeling very well, gets suddenly worse. When next morning Séraphine goes to meet her every trace of her presence has disappeared and everybody denies having ever met her. The bewildered young woman must find someone who believes her. Previous version of So Long at the Fair (1950).