On the way for fishing Leonid Karetnikov finds the body of a man on the roadside and admit a car driving out of there. While Karetnikov called the police, the body was gone. Also disappeared the bag with tools to crack safes, lying next to body. Pursuing the investigation of the case, Colonel Kornilov states that the victim is probably Lev Kotlukov - known "safecracker" nicknamed Leo the Boar. Also, it looks like he got hit by a car belongs to citizen - professor of the Institute, which has no relation to criminal organizations. To reveal the intentions of criminals, Kornilov decided to send his man Major Bugaev undercover to the gang.
Having returned from the army, 20-year-old Sergei settles down at the thermal power station and merges into ordinary life. Every day he meets and spends time with childhood friends — the young family man Slava and the merry fellow Nikolai, and once at first sight he falls in love with a stranger on the bus. A lyrical story about a generation of young people entering adulthood, a reappraisal of values, life principles, traditions in culture and art.
Alexey and Valentina met in the tourist camp on Seliger, and after two weeks they celebrated their wedding. Returning to the family, the young couple faced the first difficulties. Both parents didn't like the willfulness of the young - and there were problems with housing. They started a constant quarrels. The young soon agreed that their wedding was premature ...