Unpleasant surprises await when the class returns from summer vacation. Will everything be changed forever?

Cleo tries to fix the bad situation she herself has created with misunderstandings and untruths. But is it too late?

Naja Münster has to attend the class for one week, but things start badly between Naja and Erika. How does Naja get revenge?

Cleo is friends with both Billy and Valdemar, but can you be 3 people in a friendship? How many guys can there be room for in Cleo's life?

A puff bar has been found on the school grounds. Who could think of vaping? And why does everyone think it's Maxi?

Mikkel and Lukas pressure Maxi and Isso. How can they avoid getting beaten up and at the same time clear Maxi's name?

Elias and Maxi have to collect money for the class fund and use illegal tricks. Will their shady business end in shit or success?

BS cancels the Christmas party because someone has stolen 12 liters of mulled wine. Who could the thief be? And why is Jones being blamed?