"Diary of a Stranger (Stepanchykovo)" is a detective novel written by the great Russian writer Fyodor Dostoyevsky. In this story, the author observes the lives and actions of various characters who face moral and ethical dilemmas. The plot is based on the intersection of the fates of two opposite brothers, who represent different streams of human nature - altruism and selfishness. The book explores the psychological and philosophical aspects of human history and human interaction. Stepanchikovo will be an exciting journey into the world of internal dramas and moral trials.