Ivan Cherkasov, as always, is investigating a complex and complicated case. A student of an architectural institute was thrown from the roof. His mother committed suicide. The suspects are residents of an elite house, cultural figures.
The life of the hereditary diplomat Pyotr Andreyevich Luchnikov is a cycle of events. But he is mainly busy not with establishing international relations and working in the Foreign Ministry, but with sorting out relations and fulfilling the desires of the numerous women who surround him. The trouble-free Luchnikov rushes between wives, former and current, mother, mistresses in several countries, children, grandchildren and an endless number of unfamiliar beauties. Having completely perverted himself, Luchnikov decides to start life from scratch. The last straw for him is the arrival of a new employee - a young and lively girl Inga with a stutter, a difficult character and a father who is Luchnikov's sworn enemy.
The story tells about two guitarists Vasya and Pasha, a choral college student Zhenya, a paratrooper Bob and a classical vocal teacher Ptitsyn, who by chance unite to create a rock band. On the way to fame, future stars are waiting for crime bosses, crimson jackets, the "latest" gadgets in the form of pagers and tetris, and, of course, world-famous idols, including Freddie Mercury and Kurt Cobain.
1975 - Cold War between the USSR and the USA, an arms race. Nuclear physicists are working hard. In the Soviet Union, a leak of classified information about the development of the Satan rocket is becoming apparent. It would seem, how can a police major be connected with the intelligence of the special services? However, it was he, Ivan Petrovich, dismissed from the Moscow Criminal Investigation Department, working as an ordinary precinct officer, who provided invaluable assistance to the KGB in the capture of an American spy.