The story takes place during the Russo-Japanese War of 1904-1905. The main character is a young naval officer named Ivan Dmitrievich, who serves on the corvette "Korean" and participates in the war against Japan. The novel describes the battles at sea and the fate of the crew of the ship. The book is a vivid example of how technology has evolved over time, from the first steamships to modern nuclear submarines, and how it has influenced the development of human society. The author emphasizes the need to study and understand the technological process of developing modern knowledge as the basis for the survival of humanity and the unity of people in a warring state. The novel highlights the importance of understanding the evolution of technology and its impact on human history. The plot of the book is as follows: The story begins with the introduction of the main character, Ivan Dmitrievich, a young naval officer who has just graduated from the naval academy and is assigned to serve on the corvette "Korean". The ship is sent to the Far East to participate in the Russo-Japanese War.

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