After kissing Christoffer on Halloween, Eva feels guilty and asks Isak for counsel. Noora wants Vilde to stand up for herself and stop caring for William after he started ignoring her for other girls.

Vilde reveals that she thinks she may be pregnant. William continues to flirt with Noora. Isak and Eva talk it out, and Eva decides to have a heart-to-heart conversation with Jonas.

Back at school, Eva befriends Noora in her Spanish class. They and Sana get invited by Vilde and Chris to join them in getting a bus for the graduation celebration when they become "russ" in three years.

Eva is in her first year at school and has fallen out with her old friends Ingrid and Sara. She only knows her boyfriend Jonas and his friend Isak at school. She gets convinced to go to school party, where she meets several new people.

During the fall holiday, Eva, Jonas, and Isak go on a cabin trip. Eva is annoyed because her boyfriend invited Isak along. The tension between them rises when she suspects Jonas is keeping secrets.

Sana and Vilde want Eva to get in touch with Christoffer in the third year, to get them invited to a party with the third-year boys, among them the most popular boy in school - William.

Eva gets a threatening letter, and Vilde decides to leave the bus crew. Eva is thinking about changing to another school, while trying to find out who wrote the letter.

During the Easter holiday, Noora and the rest of the girls go to Chris' grandmother's cabin. On their way, they meet a weird boy named Kasper. They also play with an Ouija board and Vilde believes Sana has supernatural abilities.

The girls start to get worried that something is wrong with Vilde. Eva talks with Jonas for the first time in a while. The girls go to a Christmas party, and Eva decides to confront Isak.

Sana is furious about recent revelations, which is really getting to her. She tries to discreetly come up with a way to get revenge but keeps getting distracted in her surroundings. Isak then tells her a story, which gets her attention.

Noora and Vilde are in disagreement over sponsors for the bus. Noora's flatmates Eskild and Linn are introduced. Noora is trying to avoid William, who has become very pushy in his advances towards her.

William's brother Nikolai has returned to Oslo, and Noora has problems with William not introducing her properly to him. The girls discuss the fact that Jonas has been beaten up. Noora and William see a strange meeting.

The Russ celebration has begun. Noora is still keeping her and William's relationship secret from Vilde. Eskild takes on the case to find out if Isak is gay or not. The girls party with the third-year boys on their bus.

Eva invites Jonas for dinner to meet her mom. Vilde is falling for William, and the girls visits the school doctor to get contraceptives because Vilde has decided she wants to lose her virginity.

Rumors about her ex Jonas is spreading through school to Eva's dismay. Sana experiences hostility from some of the other Muslim girls at school. Noora can't avoid going on a date she promised William any longer.

Sana shows interest in Yousef, her brother's friend, and gets protective when Noora also shows interest. The girls get a lead on a bus for the Russ celebration. Sana and Vilde want to buy it, but Noora thinks it is too expensive.

Sana struggles with being a practicing Muslim and hanging with her friends, especially Vilde discussing her sex life. Sana and the rest of the girls go to a party with Sana's brother Elias and his friends, Yousef, Mikael, Adam, and Mutta.

Yousef helps Sana prepare dinner and they get to know each other better and start flirting. Sara and Ingrid ask Sana if they are interested in combining their bus crews, and Sana has to host a bus meeting. Even has a question for Sana.

Eva suspects that Jonas is cheating on her with her former friend Ingrid, and meets Isak to talk about it. Vilde reveals details about her and William. The girls go to a Halloween party Christoffer invited them to.

William tries to explain himself to Noora after he was involved in the fight. Sana gives Noora some advice, and Noora decides to come clean to Vilde. While looking for William, Noora ends up at Nikolai's party.

Noora wakes up naked in bed with Nikolai not remembering anything from the day before and suspects she has been raped. Sana's problems with some other Muslim girls get worse.

Sana is having a hard time dealing with her feelings towards Yousef. She initiates a social media war, creating turbulence and disunity within the bus group. A surprise awaits Sana at home. Sana and Isak have a discussion.

Noora is worried that she isn't caring enough about the Syrian refugee crisis. William and his bus crew are raising money they owe after trashing a cabin during Easter, and Noora calls him out on being egotistical.

Vilde visits Noora. Noora talks to one of the girls from Nikolai's party to find out the truth. William does not answer Noora's calls and messages and hasn't been seen at school.

Noora and William go back to William's apartment and finds a letter from the police. William is wanted for questioning for hitting a boy with a bottle in a fight. Vilde and Noora try to make sure no one witness against him.