Jaana is worried about an intimate picture that she had sent while still in a relationship. Antti hurries to help which causes for the picture to start spreading among students. Who ends up blackmailing and who?

Is Keijo a misunderstood latent talent, or a fool who needs to start teking responsibility for himself? Keijo ponders changing classes while choosing optional subjects bring the other's problems.

The Operation Day's Work arranged at school rises competition. Antti tries to please Jaana which causes for others to suffer. Whose beat everyone dances?

Kaapo has coded ToveriTutka application to help finding new friends. However, not all are not happy with the app, and creating new bonds doesn't go flawlessly.

Antti is troubled about a folder that doesn't belong to him. In the process of trying to get rid of it, he winds up in a life-threatening situation. Antti is awoken into the finitude of life, and peer pressure is driving Jaana towards a fateful choise.

Kalle wishes for his parents to be more open. There's written and unwritten rules - with no tolerance for breaking either.

Antti's little sister aino needs a babysitter for the evening. Kalle wants to tell his friends something important, but to get there Antti needs to make a choise between friendship, family and his crush.

The spring's last assigment is as follows: "Write yourself a letter into the future". What do Antti, Kalle and Keijo and their friends write? There's no way to return to the past, atleast not completely...