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.
Jean-Pierre Léaud
as Antoine Doinel
Claude Jade
as Christine Darbon
Delphine Seyrig
as Fabienne Tabard
Michael Lonsdale
as Georges Tabard
Daniel Ceccaldi
as Lucien Darbon
Claire Duhamel
as Madame Darbon
Harry-Max
as Monsieur Henri
André Falcon
as Monsieur Blady
Catherine Lutz
as Catherine
Martine Ferrière
as Head Saleswoman of the Shoe Store
Serge Rousseau
as Guy Who Follows Christine
Paul Pavel
as Julien
