The novel opens with a scene introducing Prince Stepan Arkadyevich Oblonsky ("Stiva"), a Moscow aristocrat and civil servant who has been unfaithful to his wife Darya Alexandrovna ("Dolly"). Dolly has discovered his affair with the family's governess, and the household and family are in turmoil. Stiva's affair and his reaction to his wife's distress show an amorous personality that he cannot seem to suppress. In the midst of the turmoil, Stiva informs the household that his married sister, Anna Arkadyevna Karenina, is coming to visit from Saint Petersburg.Meanwhile, Stiva's childhood friend, Konstantin Dmitrievich Levin ("Kostya"), arrives in Moscow with the aim of proposing to Dolly's youngest sister, Princess Katerina Alexandrovna Shcherbatskaya ("Kitty"). Levin is a passionate, restless, but shy aristocratic landowner who, unlike his Moscow friends, chooses to live in the country on his large estate. He discovers that Kitty is also being pursued by Count Alexei Kirillovich Vronsky, an army officer.