Razumov, a student in tsarist Russia, betrays a revolutionary friend in a desperate attempt to protect himself. Though his action is pragmatic, it alienates him from both the oppressive regime and the revolutionary cause. After being interrogated, he flees to Geneva, entering the ?migr? world. The narrative, told through a Western observer, examines his moral conflict and identity crisis. This part explores betrayal, idealism, and psychological torment with sharp introspection.