Student Rodik Samarkin, grandson of the famous scientist-archaeologist, goes with friends to Kozary in search of ancient scythian graves. Not believing in the effectiveness of the expedition, the guys come back, leaving Rodik alone…

Based on the story "Cossacks" by L. N. Tolstoy. The nobleman Dmitry Olenin, who by the age of twenty-four had squandered half of his fortune, had not completed a course anywhere and had not served anywhere, understands that it is impossible to live like this anymore, not knowing what to direct the strength of youth to - he enters an infantry regiment in the Caucasus as a cadet, hoping to change his life.

Spring, 1945. Sasha, who lost her parents, goes to the village of Vyselki to find her aunt there. Her last hope for the existence of a loved one does not come true. But acquaintance with ordinary residents of the village, an unexpected love for the forester and a first feeling of joy from the necessary work return the girl the thirst for life.

A dramatic story about love, infidelity and betrayal...

In the territorial waters of the USSR, the team of a border ship recorded a deviation from the agreed course of a foreign vessel. During the inspection of the incident, it turns out that the offending vessel threw an object overboard. The border guards, with the help of a journalist assigned to them, establish that this is a radio beacon belonging to one of the Western intelligence services. The commander of the border ship Chaika, realistically assessing the threat that such a transmitting device poses to the country's defense, decides to prevent its removal, for which he simulates a breakdown of the ship...

Far up north, a team of gas workers led by foreman Gena Morozov is at work. During a forced stop in a road construction workers' village, he meets the beautiful Lyuba, who is being courted by the road section chief Rostovtsev. One day, during a blizzard, a report comes in about an accident on the gas pipeline. Morozov and his comrades set off for the scene of the accident. Rostovtsev refuses to give him any equipment, but his subordinates, the drivers of the all-terrain vehicle and bulldozer, decide on their own to help Morozov's team. The accident is repaired, but Morozov, who has fallen ill, is taken to the hospital, accompanied by Lyuba, who hopes to meet the brave "taiga sailor" again soon...