Denis Khokhrin

An orphanage resident, Nikita, flees justice to Moscow, where he meets Den, a rich orphan who offers Nikita a ticket to a better life in exchange for his friendship. Nikita agrees, not knowing what price he will have to pay for it.

A Russian missile submarine disappears without a trace during a secret mission in the Greenland Sea. Viktor Voronin, the youngest commander of the Northern Fleet, whose older brother was in command of the missing cruiser, goes in search of him. At the same time, due to the destruction of the polar station, a Kraken monster appears in the northern waters.

Fyodor, Pavel and Mikhail are three friends in pre-war Leningrad. Fyodor works as a tuner at the conservatory, Mikhail studies there in the bayan and accordion class. The story reflects real events and people who gave their lives for the future of the Soviet Motherland during the Great Patriotic War, defending Leningrad during the difficult months of the blockade.