Very nice young women - Vera, Nadezhda, Lyubov - came to Crimea to relax. They settle in the Eden Hotel and do not know that according to the devil’s plan, everyone who arrives at this hotel must indulge in sinful pleasures on the seventh day, and on the thirteenth - give their soul to Satan...

The Soviet command has alarming information about the new invention of the enemy. According to intelligence, the Nazis delivered a batch of new chemical shells filled with gas of tremendous destructive power to one of the sections of the Eastern Front. The Nazis want to test them in combat conditions, and then apply them on a large scale.

The hero of the film, the world record holder in the high jump, after a car accident according to the conclusion of doctors, should forever leave the sport. But against all odds, he is doing everything possible to return to the national team. Chance brings him together with a surgeon, also fanatically devoted to his work - and the hero again wins international competitions.

About Alexandra Avraamovne Derevskoy, reared 48 children of different nationalities. After her death in this large family continued the tradition - the birthday of the mother at the table is served baked potatoes, a favorite dish of the family head. The film - the real facts.