The plot of the film revolves around a young submariner who has a unique hearing. He works as an acoustics and can recognize any sound. The fate of many people depends on his ability, and a mistake threatens the life of the entire crew of the submarine. Trying to regain the confidence of his comrades, he conducts his own investigation of military provocation. It put the whole world at risk of a nuclear apocalypse. Now the elite combat team has to do everything possible to prevent a world war. They need to do the almost impossible, since the main command order is not subject to cancellation.