The Little Dragon lives with his parents in the Dragon Cave. Since childhood, he has been surrounded by two magical worlds: the forest kingdom and the underwater world of the lake inhabitants. The Dragon's only problem is that he can't fly. But he has many funny friends. The little dragon's cheerful life comes to an end when the evil wizard Haligor appears in the old castle. And the Dragon's best friend, Princess Tanyusik, is in danger of a terrible disaster. To save his friend and parents, the Little Dragon is forced to enter into battle with the king of the evil goblins. And discover a magical secret - the legend of the Emerald Dragons.