A recently widowed American begins an anonymous sexual relationship with a young Parisian woman.

For young Parisian boy Antoine Doinel, life is one difficult situation after another. Surrounded by inconsiderate adults, including his neglectful parents, Antoine spends his days with his best friend, Rene, trying to plan for a better life. When one of their schemes goes awry, Antoine ends up in trouble with the law, leading to even more conflicts with unsympathetic authority figures.

Two dramatic stories. In an undetermined past, a young cannibal (who killed his own father) is condemned to be torn to pieces by some wild beasts. In the second story, Julian, the young son of a post-war German industrialist, is on the way to lie down with his farm's pigs, because he doesn't like human relationships.

At the beginning of the 20th century, Claude Roc, a young middle-class Frenchman, befriends Ann, an Englishwoman. While spending time in England with Ann’s family, Claude falls in love with her sister Muriel, but both families lay down a year-long separation without contact before they may marry.

While two theater groups rehearse plays by Aeschylus, two solitary individuals wander the Parisian streets hustling the populace for cash.

Paula Nelson goes to Atlantic City to meet her lover, Richard Politzer, but finds him dead and decides to investigate his death. In her hotel room, she meets Typhus, whom she ends up knocking out. His corpse is later found in the apartment of David Goodis, a writer. Paula is arrested and interrogated. From then on, she encounters many gangsters.

Paul, a young idealist trying to figure out what he wants to do with his life, takes a job interviewing people for a marketing research firm. He moves in with aspiring pop singer Madeleine. Paul, however, is disillusioned by the growing commercialism in society, while Madeleine just wants to be successful. The story is told in a series of 15 unrelated vignettes.

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.

An American private-eye arrives in Alphaville, a futuristic city on another planet which is ruled by an evil scientist named Von Braun, who has outlawed love and self-expression.

A committed film director struggles to complete his movie while coping with a myriad of crises, personal and professional, among the cast and crew.

Jacques Laurent made pornographic films in the 1970s and '80s, but had put that aside for 20 years. His artistic ideas, born of the '60s counter-culture, had elevated the entire genre. Older and paunchier, he is now directing a porno again. Jacques's artistry clashes with his financially-troubled producer's ideas about shooting hard-core sex. Jacques has been estranged from his son Joseph for years, since the son first learned the nature of the family business. They are now speaking again. Joseph and his friends want to recapture the idealism of 1968 with a protest. Separated from his wife, Jacques strives for personal renewal with plans to build a new house by himself...

A small group of French students are studying Mao, trying to find out their position in the world and how to change the world to a Maoistic community using terrorism.