The young submariner has a rare gift to recognize every sound he hears. From his "Golden ear" depend on the fate of people, and the error endangers the life of the entire crew of the submarine. Wanting to regain the trust of his comrades, he conducts his own investigation into the military provocation, as a result of which the whole world is on the verge of a nuclear Apocalypse. To prevent a world war, the elite combat team of the submarine must do the impossible, because the main order can not be canceled.