Two 7th graders, a hooligan Mukhin and a good student Kronov do not like each other. They decide to have a peace day together, which changed their attitude both towards each other and towards the world around them...
| Actor | Role |
|---|---|
| AAleksandr BarinovAlyosha Kronov | Alyosha Kronov |
| AAnatoly PopovKolya Mukhin | Kolya Mukhin |
 Svetlana SavyolovaSveta | Sveta |
 Elizaveta TimeElena Sergeevna | Elena Sergeevna |
 Aleksandr Sokolovfather | father |
 Mikhail Kozakovcameo | cameo |
 Aleksey Petrenkowaiter | waiter |
 Tatyana Piletskayathe actress | the actress |
 Iosif Konopatskydirector | director |
 Tamara Kolesnikovadirector's assitant | director's assitant |
 Lidiya Shtykancashier | cashier |
| VViktor NabutovPhysical education teacher | Physical education teacher |