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.

Adèle always thought that her father was dead, until a mysterious letter from her so-called half-brother arrived in the mail. After being told repeatedly by her family that her father died in a car crash years ago, Adèle is confused and shaken by the letter.

Adèle's mother tries in vain to keep the truth from Adèle, who found out her father might not be dead after all. A surprise visit complicates things even further.

Adèle's half brother Guillaume approaches her outside her workplace and introduces himself. After a brief talk, she agrees to meet him again.

Adèle discovers the whole truth about her dad and the tragic circumstances that led to his forced disappearance. Her mother's attempts to sugarcoat the truth do little to appease her anger.

Adèle's relationship with her mother is at an all-time low. Still, she's determined to meet her father. However, her meeting with her half-brother Guillaume doesn't quite go according to plan....

Guillaume finally calls Adèle back, and they set out to look for their father in his usual haunts. Will they find him?

After a first emotional reunion with her father, Adèle comes to visit him regularly on the streets, where he lives. But a shocking phone call will disrupt her happiness.

Adèle spends a few precious hours with her father who is gravely ill. She is grateful for the connection she made during the short time she spent with him.