Léon, the top hit man in New York, has earned a rep as an effective "cleaner". But when his next-door neighbors are wiped out by a loose-cannon DEA agent, he becomes the unwilling custodian of 12-year-old Mathilda. Before long, Mathilda's thoughts turn to revenge, and she considers following in Léon's footsteps.

Cecilie and Joachim are about to get married when a freak car accident leaves Joachim disabled, throwing their lives into a spin. The driver of the other car, Marie, and her family don’t get off lightly, either. Her husband Niels works in the hospital where he meets Cecilie and falls madly in love with her.

Barbara and Oliver Rose live happily as a married couple. When Barbara starts to wonder what life would be like without Oliver and likes what she sees, the two begin a campaign to force each other to leave their house, with their divorce lawyer D'Amato caught in the middle.

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 youn...

While waiting for her divorce papers, a repressed literature professor finds herself unexpectedly attracted by a carefree, spirited young woman named Cay.