Dounia, Rodion’s sister, is a beautiful, proud and chaste girl, who is in love with her brother for self-sacrifice. In the struggle for her happiness, she was ready to go to the marriage at the expense, but could not go in touch with Svidrigailov for his salvation. She got married to Razumikhin, finding in him a sincere and loving husband, a true friend of his brother. However, when Svidrigailov threatens her virtue and her brother's safety, she is perfectly willing to kill him and tries to. Her love is strong enough to forgive Raskolnikov's offenses. And Dunya can understand his decision to turn to a prostitute for love and forgiveness.