Continuation of the novel. The first volume of book four begins with the events of Sunday, June 22, 1941. The hero of the book will first have to work in the draft board, then mobilize to the front and serve in the medical battalion. The first months of the war are shown honestly and impartially: the formation of trains, errors in the organization of medical services, the first bombing, the first wounded, the deployment of a medical battalion, the installation of tents and the digging of dugouts, cases of self-harm and the first tribunal, the siege of Leningrad, hunger, loss of friends and desperate faith in victory .