The Vityaz sailing corvette, whose team has to endure severe trials, goes on a flight. Relations between the sailors and the stupid and soulless baron von Berg replacing the senior officer did not develop. By his behavior, he causes the hatred of the whole crew, which develops into a riot when he gives the order to drown the darling of the whole team - a little puppy. All this, as well as a storm in the Pacific Ocean and other dangerous adventures, rally people even more and make them even stronger and more courageous.
Together with other graduates of the Maritime Institute, Irina Zakharova returns to her native Odessa. At the distribution commission, she seeks the appointment of the first assistant to the captain on the infamous Pobeda vessel, with the most loosened crew. Carrying a personal example of sailors, Irina successfully fights for a turning point in the mood of sailors, and when the ship gets into a storm, she shows the outstanding qualities of a real sailor. Against the background of these events, the theme of lyrical relationships between Irina and the navigator of the red-flagged ship "Abkhazia" Vasily in love with her is unfolding.
The plot is built around two charming sisters — a strict, wayward Galina, an assistant professor of mathematics, and a windy, frivolous student Shurochka. Despite the fact that the girls are so different, they are looking, of course, for one thing — love. The events take place in the summer pre-war Moscow and in the country where both sisters go: one in order to prepare for the re-examination, the other — to conduct math classes with the military from the Yuryev Camps located near the dacha village.
Funny and difficult situations, intrigues, tears, joy — all this will be experienced by young girls on the way to their happiness.
1941 year. The flagship of the head detachment of the Black Sea Fleet gives an order to one of the submarines to remove the crew from the damaged torpedo boat. An enemy cruiser discovers a Soviet submarine and bombards it with bombs. Submarine forced to lie down. But the task will be completed - and the enemy will take flight.
