On 9 January 1836, Pierre Lacenaire goes to the guillotine, a murderer and a thief. He gives Allard, a police inspector, his life story, written while awaiting execution. He also asks Allard to care for Hermine, a lass to whom he has been guardian for more than ten years. In flashbacks, from the prison as Lacenaire writes, from Allard's study as he and Hermine read, and from other readers' memory after the book is published, we see Lacenaire's childhood as he stands up to bullies, including priests, his youthful thieving, his first murder, his brief army career, his seduction of a princess, and his affair with Avril, a young man who dies beside him.

Matthias Duval is in love, but he can't choose between the two twin sisters Betty and Liz Kerner. To pick up the two sisters, he invents his own twin brother and will play both characters.

After a life of emotional and professional upsets, Alex finds himself headwaiter in a chic Parisian restaurant. Well into middle age, divorced but still very much a ladies’ man, he has one great ambition: to open an amusement park by the sea. One day, an old flame, Claire, suddenly re-enters his life. For Alex, the fires of love are easily re-kindled, but Claire has another man in her life…

On an otherwise normal day, Étienne, a happily married man and a good father, sees something that stops him dead in his tracks: a gorgeous woman in a billowing red dress. Long after she has left his vision, her memory continues to haunt his mind. He falls instantly in love with her and tries everything to get to know her better. Helping Étienne snare his elusive lady in red are his three bumbling buddies, which all have secret affairs and/or cheat on their wives.