Senya, the creator of the Lucy smart column, experiments with algorithms, discussing personal topics, family, and people around with Lucy, and tries to make her as human as possible. Lucy quickly becomes something much more than just a column - she turns out to be the only one to whom Senya can entrust her experiences, problems and reflections. Only she knows about all the problems that Senya's daughters faced at school, and only with her does he share his feelings about his relationship with his wife. A smart column helps a man to survive public humiliation in front of the whole family, find the son of the deputy who arranged this humiliation, and cope with the consequences of the irreparable act that Senya committed.

After another scandal, the son of a Soviet functionary is sent to the organizing committee of the Olympic Games-80 for correction, where he begins to work as a simple volunteer. His boss is the daughter of a high—ranking military man, and she is not going to make any concessions to a spoiled guy from a rich family. Once on the other side of the world event poster, he will meet different people who will change his outlook on life — athletes, coaches and other volunteers. Through their eyes, he will see all the drama around the preparation for the big competition, which was on the verge of collapse.

Six friends are just starting their adult life. They fall in love, dream, and make plans for the future. When a tragedy strikes troubling issues and secrets are revealed, and their parents wonder if they know their children at all.