Professor Andrey Prikhodko is working on the problem of heart transplantation. On one of his happier days, the doctor decides to sort out his personal life and propose to his beloved Valentina. However, his son, who is still struggling to come to terms with the death of his mother, is against his father getting married. Realizing the complexity of the situation, Valentina breaks up with her beloved friend. Prykhodko finds the strength to overcome his depression and prepares for his first heart transplant operation.

Set in December of 1917 after the Bolshevik revolution in Russia. Lenin and the communists are making every effort to strengthen their power. Lenin appoints Felix Dzerzhinsky the Commissar for Internal Affairs and the head of the All-Russian Extraordinary Commission for Combating Counter-Revolution and Sabotage (CheKa). It became the predecessor of GPU and KGB.

A romantically minded tenth grader accidentally gets into the company of bullies, led by criminals. A group of juvenile offenders is exposed by police officers, and Zhenya is brought to criminal responsibility for the first time...

Four parallel stories: "Ship", "Port", "Pompeia" and "Theater" are connected with the fate of the captain of a training warship Andrei Glebov, who visited a foreign port city.

The film recreates the heroic epic of the defense of Sevastopol in 1941-1942. The fall of 1941. Having broken through the defense at Perekop and seized Crimea, the fascist troops begin the siege of Sevastopol. The Soviet fleet is withdrawn to Novorossiysk. For the defense of Sevastopol remained only guns of ships, coastal batteries and several detachments of marines, the defense is led by General Petrov.