Tears of the Dragon.

Khan Suranzan always revered the Flame Dragon and brought him gifts on the shores of Lake Baikal. But one day the dragon became angry and deprived little Galshi, the Khan's only heir, of his mind. The young man grew up kind, but stupid... The Khan decided to find a wise wife for his son, but then his enemies rose up. Both his own and others. Will Khan Suranzan cope with his enemies, will anyone love Galshi, and what is the secret of the dragon's tears?