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.