The third in a series of films featuring François Truffaut's alter-ego, Antoine Doinel, the story resumes with Antoine being discharged from military service. His sweetheart Christine's father lands Antoine a job as a security guard, which he promptly loses. Stumbling into a position assisting a private detective, Antoine falls for his employers' seductive wife, Fabienne, and finds that he must choose between the older woman and Christine.
Neil (Ben Affleck), un norteamericano aspirante a escritor, y Marina (Olga Kurylenko), una madre soltera europea, se conocen en París y disfrutan de un momento de idilio en la isla francesa de St Michel, revitalizados por las sensaciones de estar de nuevo enamorados. Neil ha dejado su país buscando una vida mejor, dejando atrás una serie de hechos dolorosos. Mirando a Marina a los ojos, Neil cree estar seguro de que ha encontrado a la mujer que puede amar con dedicación. Es por ello que le propone irse a vivir junto a su hija Tatiana (Tatiana Chiline) a los Estados Unidos. Pero cuando años más tarde, una serie de circunstancias personales y profesionales resquebrajan su relación, otra mujer aparece en la vida de Neil, con igual o incluso mayor fuerza: Jane (Rachel McAdams), una vieja amiga de la infancia. ¿Logrará este Neil mantenerse fiel a su promesa inicial o aprovechará para cambiar su vida hacia el futuro que siempre anheló?
In Paris, Bob Montagne is practically synonymous with gambling -- and winning. He is kind, classy and well-liked by virtually everyone in town, including police inspector Ledru. However, when Bob's luck turns sour, he begins to lose friends and makes the most desperate gamble of his life: to rob the Deauville casino during Grand Prix weekend, when the vaults are full. Unfortunately, Bob soon learns that the game is rigged and the cops are on to him.
The son can't stop wondering. What is dad going to do after retirement? So he starts filming him. Dad wants to have a shot at becoming a street artist in Montmartre, Paris, a longtime dream of his. To the mother, it sounds like just another absurd dream. Anyhow, 2 years later, the father puts his plan into action and sets off for France. Right until his departure, the mother doesn't know what to make of it. While dad spends one month as a street artist, the son and mother follow him to Paris...