Wet and wounded, Peter gets to The Mikhailovsky Castle. The forces leave him. Among the general bustle, he is found by a street girl Katerina, she feels sorry for the young officer, and she decides to help him. But when the police show up, Peter talks about a conspiracy, and they are taken away. Peter gets into the cell of Lugin and Tolstoy. Peter's injury is serious and his friends fake his death. Peter manages to get out of the walls of the fortress. Paul's murder happened.