Lazare Ponticelli was the last of the “Poilus” — French infantry soldiers who served in World War I. Ponticelli, who was actually an Italian immigrant to France, first served in the French Foreign Legion and then eventually, the Italian army. He died in 2008 at the age of 110.

It’s common to see photos of celebrities aged forty and up happily pregnant or pushing a pram. But according to most doctors, a woman’s chances of conceiving drop dramatically after age thirty-eight or so. Of course there are exceptions. Modern medical fertility treatments allowed a sixty-six-year-old Romanian woman to give birth to twins in 2005. But unless we’re willing and able to procure such treatments, which can be financially, emotionally, and physically draining, those who want to wait until their forties to have kids will have to take their chances.

What’s in a name? Quite a lot, as it turns out! Thanks to changes in what land is covered by the Champagne Appellation d’Origine Contrôlée (or AOC, the French method of labeling foods and wines according to region), some farmers will soon be able to start cultivating official champagne. But not everyone is a winner—some farmers will lose this prestigious appellation.

In this episode of "Le Jour où tout a basculé" (The Day Everything Turned Upside Down), Sybille, a bored and lonely housewife, has developed the peculiar habit of spying on her neighbors across the street, much to her husband's dismay.

In part one of "Le Jour où tout a basculé: Nos bébés ont été échangés" (The Day When Everything Changed: Our Babies Were Switched at Birth), a family is in turmoil. Frédéric is very jealous of his wife Anne-Sophie and accuses her of having an affair with an old flame. Although all the evidence seems plausible, is there another explanation?

Soon after Claire and Harold move into their new Parisian apartment, strange things start to open. Their new neighbors explain that their new home may have been the scene of a murder. Claire believes it, but Harold remains skeptical. Will they be able to solve this mystery?

Claire and Harold invite their new neighbors for drinks to get acquainted and thank them for their help. As the evening unfolds, the conversation becomes strained and strange things start to happen. Claire and Harold are left with many unanswered questions.

"What I want is to travel and see something else other than your face, your cabbages, your carrots, and your turnips!" Sylvette shouts at her husband René, who recently retired. She dreams of traveling; all he wants is to stay home and tend his garden. Sylvette hopes that going on a cruise together will help put things right between them.

Louise is doing all she can to rescue her grandparents' marriage. She doesn't want them to throw away the forty-two years they had together. She storms off to talk to her grandmother, having had no luck with her grandfather.

René has set up a date with a woman he met online. It's a date he'll surely remember, as he's going to get more than he bargained for, thanks to his granddaughter's scheming...

Louise's scheme is working according to plan. She sabotages her grandfather's date and arranges for her grandmother to catch her husband out with another woman under the pretext of a shopping trip. So far so good, but will she achieve her goal of bringing her grandparents back together?

Louise begs Edna to try to make Sylvette jealous enough so that she will go back to her husband René. Edna, posing as René's new girlfriend Annette, agrees to confront Sylvette to tell her that she's in love with him.

Louise's scheme is starting to unravel. Annette is no longer playing the role she was assigned, and Louise's grandfather has fallen in love again, but not with the right person. How is she going to deal with the situation? Her grandmother is left in the dark for now.

When René, Edna, Sylvette, and Louise finally come face to face with each other, Edna and Louise can no longer hide their game of deception. The confusion that ensues slowly clears as confessions come forth. Will they all recover and forgive one another?

René and Sylvette have decided to go their separate ways and have forgiven their granddaughter Louise. But Louise has one more surprise in store for René, and this time it works!