Dima reluctantly moves with his family from the city to the countryside. His attitude to nature changes forever when he meets a cheerful local girl, Alesya, and a bison named Bublik. Together they go to the heart of Belovezhskaya Pushcha in search of the magical Tree of Wishes. But not only magic awaits them - the children encounter a gang of poachers who ruthlessly cut down the ancient forest. Now the friends must not only find the Tree, but also save the forest from destruction.