Dunya Raskolnikov goes to St. Petersburg, worried about her brother, Rodion's mental health. He keeps seeing obsessive prophetic dreams about a global epidemic in the future. Rodion wants to prevent a deadly disaster for the humanity by destroying the source of disease before the nightmare becomes reality. Upon arrival Dunia discovers that Rodion is convicted for the murder of an elderly woman money-lender and is exiled to Siberia. Dunya believes that her brother is innocent and begins his own investigation. As she is looking for the truth, Dunya encounters a suspicious group and now her own life is in danger.