 He sternly announces that a 100 ruble banknote disappeared from his apartment at the precise time that he was being visited by Sonya, whom he had invited in order to make a small donation.Sonya fearfully denies stealing the money, but Luzhin persists in his accusation and demands that someone search her.Outraged, Katerina Ivanovna abuses Luzhin and sets about emptying Sonya's pockets to prove her innocence, but a folded 100 ruble note does indeed fly out of one of the pockets.