Soviet animation movie based on a Kazakh tale: a little bird fights against a three-headed dragon.

The first years of Soviet power. The rich Aktanbai decides to steal his flocks abroad. However, only the shepherd Malbagar knows the secret paths in the mountains. Therefore, Aktanbai, giving the orphan girl Nurzhamal to Malbagar as a wife, demands to indicate the way through the mountains for this. On the way to the border, Malbagar, heeding the requests of Nurzhamal, who did not want to be his wife, helps the girl escape from the camp of Aktanbai. Years pass. Nurzhamal, after graduating from medical school, returns to his native village...

High in the mountains, a lonely plane tree grows on a rock. The legend says that in ancient times, the beautiful girl Aisulu threw herself from this cliff, not wanting to reconcile herself with fate and get the unloved one. So, as a memory of her, a beautiful plane tree has grown in this place ... Drawing the images of our contemporaries, showing Aisula of our days, who has become a victim of gossip and prejudice due to cowardice, cowardice and moral betrayal of her two men, the authors of the film affect great moral - ethical issues.

In the 30s, as is known, a large number of Kazakhs moved to China, among them the daughter of aul bai, who was killed by the Red Army. Many years later, she, a gray-haired old woman, having stolen her only grandson from her parents illegally, crosses the border through the mountains and returns to her historical homeland.