Dima reluctantly moves with his family from the city to the village. His attitude towards nature changes forever when he meets a cheerful local girl named Alesya and a bison named Bublik. Together they set off into the heart of the Belovezhskaya Pushcha in search of the magical Tree of Wishes. But not only magic awaits them - the children encounter a gang of poachers who are mercilessly cutting down the ancient forest. Now the friends will have to not only find the Tree, but also save the pushcha from destruction.