A cartoon about beavers whose school pike was stolen one day during a lesson. And so the little beaver detectives follow the trail of the kidnapper.
| Actor | Role |
|---|---|
 Rina ZelyonayaBaby deer (voice) | Baby deer (voice) |
 Olga ArosevaPike (voice) | Pike (voice) |
 Mariya VinogradovaLeader beaver (voice) | Leader beaver (voice) |
 Anatoliy PapanovCrayfish / Deer (voice) | Crayfish / Deer (voice) |
 Tamara DmitrievaGirl beaver / Fat beaver (voice) | Girl beaver / Fat beaver (voice) |
 Georgiy VitsinTeacher beaver (voice) | Teacher beaver (voice) |
 Zinaida NaryshkinaSnake (voice) | Snake (voice) |