The end of the 1950s. Aleksandr Petrovich Ilyin travels to the city where he lived before the war. Visiting the telephone operator Zoya, he sees a familiar house through the window and decides to go there for only fifteen minutes. So Aleksandr gets into a communal apartment, where the love of his youth Tamara Vasilyevna lives. They met twenty years ago and fell in love, but the war separated them. Now Ilyin and Tamara Vasilyevna met again, and love broke out with renewed vigor...