A Russian engineer Petr Garin possesses a unique beam-shooting weapon that can destroy any target. His goal is to achieve world domination with the help of this weapon. Vasily Shelga is out to stop him and also to prevent others getting possession of this weapon.
1942, Polar region. The Germans are preparing to capture Murmansk. The submarine Sch-721 is considered lucky, and its captain Aleksei Strogov has the ability to extricate himself from the most difficult situations. He also develops tactics for a periscope-free torpedo attack, despite the skepticism of colleagues and management. And now, when the Happy "Pike" had to take on board the crew of another Soviet submarine, and she was on the seabed with almost no oxygen, Aleksei manages to save people and perform the operation, paying for it with his life...
Spring of 1918. Tarakanov, managing the estate of Prince Tikhvinsky, with the help of a former court fencing teacher Marquess and a street kid Keshka, is stealing a collection of paintings and sculptures from the abandoned estate owners. Hoping to transport her abroad, criminals wander with a circus troupe, and in their wake goes a tireless criminal investigator — Makar Ovchinnikov.
The events of the film cover the story of the Kotsiubynsky family in the years 1912-1918, ending with the defeat of the Central Rada and the establishment of a Soviet republic in Ukraine in the spring of 1918.
