While a diamond advocate attempts to steal a collection of diamonds, troubles arise when he realises he’s not the only one after the collection.
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.
An eccentric family is re-united during the 1968 general strike in France, after the death of the grandmother.
Two sets of young marrieds, Day & Fanny Illington and Ferd & Ida Jackson take a weekend trip together. Avid golfer Day ignores Fanny as Ida does Ferd. At his suggestion he and Fanny attend an island "affinity" party for people neglected by their spouses. Accidentally left on an island they struggle back to the mainland only to discover Day and Ida have been having an affinity party of their own! Everyone realizes the error of their ways and resolves that they were already married to the ones with whom they had the most affinity.
During the Nazi occupation of Poland, an acting troupe becomes embroiled in a Polish soldier's efforts to track down a German spy.
Parisian everyman Antoine Doinel has married his sweetheart Christine Darbon, and the newlyweds have set up a cozy domestic life of selling flowers and giving violin lessons while Antoine fitfully works on his long-gestating novel. As Christine becomes pregnant with the couple's first child, Antoine finds himself enraptured with a young Japanese beauty. The complications change the course of their relationship forever.
Brian Hartley has finally found the girl of his dreams in Linda. Unfortunately, he can't convince her or himself that it's really true. When she catches him with another woman, she finally decides she's had enough and vows to never see him again. Frenzied from the loss, Brian breaks into her house to try to talk her into seeing him again, but Linda and her roommates Kim and Sharon instead bind him to the bed.
The heterosexual man Axel is thrown out of his girlfriends home for cheating and ends up moving in with a gay man. Axel learns the advantages of living with gay men even though they are attracted to him and when his girlfriend wants him back he must make a tough decision.
Producer Bob Temple, who's brought an American show to London, loves his star Diana, but she won't take him seriously as a lover. To show her, he picks up stranger Lady Arlington, whose financier husband neglects her. On a weekend at the Arlington country house, Bob is used by both Lady A. and her friend to make their husbands jealous; this works all too well, and Bob is in danger from both husbands.
In 1970s Hollywood, Detective Philip Marlowe tries to help a friend who is accused of murdering his wife.
When a woman finds out that her husband is being unfaithful to her, she decides to give him a dose of his own medicine, making him jealous with another suitor.