A Russian Prince Returns To Saint Petersburg After A Long Absence In Switzerland, Where He Was Undergoing Treatment For Epilepsy. On The Train He Meets And Befriends A Man Of Low Origins. This Man Becomes The Dark Counterpart Of The Inherently Good Prince, An Unspoiled Man Whose Goodness Is Plunged Into The Chaos Of Saint Petersburg Society And A Passionate Contest For The Disreputable Nastasya.