Emma just started her first year of high school. With her new friends Manon, Daphné, Imane, and Alexia, they are gonna attempt to organize the biggest party ever organized by first years. To get there, they'll have to plan it, raise funds, gain popularity and influence, join the trendy party, and have cool friends, among the "big" third years, even if it means redefining some friendship, their relationship, breaking heart, have yours broken...

Manon is a mysterious teenager who is more mature than others in appearance, from her friendship with her new friends to the tormented relationship she has with Charles, the most popular guy at school.

Lucas falls in love with the new arrival Eliott, clashing with the image his friends Yann, Basile, and Arthur have of him. He begins closing himself off in denial before accepting himself for who he is and living his love life fully.

Imane Bakhellal is disturbed by the irruption in her life of Sofiane, a friend of her brother. This arrival will lead her to search her way between her parents' expectations, her desires, and her beliefs. This journey is universal: the one of a teenager oscillating between the love she has for her family and her values; and in the quest for her autonomy and her identity.

Arthur Broussard sees his life suddenly change following a hearing shock. An upheaval that will impact his daily life and his relationship with others, but to what extent?

Lola may be Daphné's sister, but the two girls couldn't be more different. If Daphne is naturally optimistic, joyful, and ingenuous, Lola drags darkness and permanent unhappiness. This is one of the reasons why Daphne never spoke about her... And then, a family drama will turn the existence of the two sisters upside down. Lola, isolated and self-destructive, completely loses herself. She will have to learn to open up to others: Eliott, Maya, and La Mif, the newcomers, but also of course the gang and the crew from previous seasons.

Tiffany spent her first year bullying Lola, and since La Mif joined their school, the two girls have been avoiding each other. Lola feels safe, surrounded by her close guard. After a rhythmic gymnastics competition, Tiff suffers from severe stomach pains. She collapsed in the middle of the locker room, and the firefighters were called in urgency. Their verdict is final: Tiff is the victim of a pregnancy denial. How will she deal with this trauma? How will she take care of the baby? Will Mif manage to leave the past behind to help her get through this trauma? After this upheaval, Tiff will never be the same again...

Bilal, is always stylish and passionate about fashion, but in reality he is far from being a carefree teenager. He and his brother Zakaria have been on their own for a month and have been facing precariousness. Their mother, having lost her job during the Covid crisis is crawling under debt and left to work in the South. Everything changes when Bilal and Zakaria are evicted from their home. Fearing foster home and too ashamed to talk to La Mif about it, Bilal decides to fend for himself and his brother. Will Bilal manage to save appearances with La Mif and Redouane, his best friend who knows him by heart?

Mythical couple of Skam France, Maya and Lola break up. It is especially Lola, tired of their arguments, who leaves Maya, by reproaching her of always running away. It is true that Maya has created a shell to protect herself from misfortune. As soon as she feels vulnerable, she takes refuge in her own world, which even La Mif has a hard time to enter. But this heartbreak hits her right in the heart and will force her to confront everything she has buried since the death of her parents. If she manages to open up, will Lola come back?

Anaïs is in love with Huge, her boyfriend for a couple of months. One night, returning home drunk he insists on joining her inside even though she doesn't feel well. Spread out on the bed, Hugo wants to sleep with her, but she doesn't want to. Incapable of stopping her he penetrates her with his fingers... Will Anaïs find the words to describe what happened to her? Will she have the courage to confront Hugo? What impact will this traumatic experience have on her life? And how will her fellow sisters aid her in this struggle?

Away from her family following a court decision, Rym arrives at Dorian High School during the year where she tries to integrate despite the label of former delinquent that sticks to her skin.

When he is about to have his "first time" with his long-time girlfriend, Maël the school's pretty boy, grinds to a halt... In his journey he will attempt to understand where this absence of desire comes from and get to know himself better.