Two sisters Anna and Polina were brought up in the same conditions, but grew up completely different in character. Anna is responsible, sympathetic, kind, received an education and became a lawyer. Devastated Polina drove off to Moscow to pick up a millionaire, but in the end she was left alone with a child in her arms and returned home. Having learned that her sister has contacted a crime boss, Anna decides to talk some sense into her. Polina, in response, declares war on her sister, deciding to take her husband away from her, quarrel with all her relatives... and prohibit her from seeing her nephew, to whom Anya has sincerely become attached... Will the sisters be able to give up their enmity or will they hate each other forever? Which side will Anna's husband go to and what position will her parents take? And finally, will Anna save her sister who tried to ruin her life?