Far East. 1970s. A small garrison on the border with China. Here, as elsewhere, men and women live. But here, every man has a gun. This means that love and danger go hand in hand. Marina Goloshchekina - sweet, kind, right. She did not know that she could stop loving her husband Nikita, whom she always admired. But it happened: here, in full view of everyone, she met Ivan, her great love. But what to do? Captain Nikita Goloshchekin is unpredictable. Only one thing is known: he will never put up with treason and will not let Marina go anywhere, because he loves her madly.