Enredo

When a Russian submarine vanishes in the Greenland Sea, Commander Viktor Voronin leads a rescue mission to find his brother. Meanwhile, a Kraken monster emerges after a polar station's destruction.

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.