The film tells about the heroic struggle of the Leningraders during the siege, about the defenders of Leningrad, and about various aspects of life in the city today.
A social drama, it tackles the contradictions prevalent in society. Kumar, a respectable wealthy man to the outside world, in fact leads a life of debauchery.
A petty criminal fakes insanity to serve his sentence in a mental ward rather than prison. He soon finds himself as a leader to the other patients—and an enemy to the cruel, domineering nurse who runs the ward.
Richard is a private detective. He makes a good money from marital infidelity: the deceived husband and wife generously paid him for proof of their infidelity "halves".