Francois is engaged to Isabelle. While going to buy the engagement ring, he meets Sophie, who puts the ring on her finger and does not manage to remove it. Francois follows in the footsteps of Sophie, who is married to an important merchant, in order to recover his property.

Young and handsome Armand Duval falls in love with Marguerite Gautier, a 'demi-mondaine'. He manages to persuade her to give up her life as a courtesan and they both settle down in the country. Tthe beginning of their idyll is like a dream but a short-lived one as their relationship is considered scandalous by Armand's family. During a secret visit to Marguerite, Armand's father convinces her to leave his son, which she does broken-heartedly but out of love for Armand. Her end will be doubly tragic; not only does she suffer from terminal tuberculosis but she is abandoned by everyone, including by Armand, who believes she has betrayed her. At long last, learning the truth, Armand rushes to her bedside and Marguerite has the joy to breathe her last in his arms.

Lucas has invented a new computer language but at the same time he has been informed about his strange terminal illness during which he has been gradually losing his memory. Shortly after that he meets Blanche who acts as a medium in a bizarre traveling show. Dying Lucas follows her to the sea resort where they spend together several days and nights.

A story of the love of Frou-Frou - an actress and singer in the in the beginning of her career.