Eighteen year old Vierochka Kuznetzoy falls in love with Ivan Oginov. Ivan, however, who has been working with Vierochka's father on a statistic gathering project, has no idea that he is the object of her affections and is ready to leave the town for St. Petersburg. The young girl packs her suitcase and accosts Ivan on his way home. Are a lover's heart and a mathematician's head compatible? Only this comedy of character can explain and exploit the clash.