Hoping to distract the boy from the loss of his mother, his father takes him to his grandfather for winter fishing. But the family falls into a blizzard and is lost on the ice of the largest lake in the world. Love and the mysterious powers of Baikal will help them overcome grief and find each other.

The year is 2010. The base of the Pacific Fleet of the Russian Federation. On the destroyer "Bystry" there is a breakthrough in the fuel pipeline with fuel oil. Short circuit, fire. There are 348 people on board. Aldar Tsydenzhapov, a 19-year-old sailor from Transbaikalia, who has dreamed of serving in the navy since childhood, like his grandfather, decides to resist the fire without hesitation.

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?