Katya is completely disappointed in men, and Sasha can't live a day without a new woman. Chance made them neighbors who couldn't get along. Deciding to reform the self-confident womanizer, Katya uses all means to turn his life into a living nightmare. However, playing with fire can be expensive, because it's only one step from hate to love, even if you don't believe in love.
In the center of the story are three main characters - Lieutenant Colonel Soshnikov, Captain Muravyov and Major Zakharov. Three ages, three different characters, three different destinies, which are destined to meet at the Khmeimim military base.