The heroic story is based on the events that took place in Odessa during the Great Patriotic War. The book talks about the defense of the city and the struggle of the Odessa underground. It is written on a documentary basis. In the center of the work are heroic partisans, Komsomol member Yasha Gordienko, intelligence officer and messenger, security officer V. A. Molodtsov-Badaev, leader of a detachment of Odessa partisans, and many others - courageous people, unbending will, to the last drop of blood devoted to the Soviet Motherland.