He was betrayed by a friend and the woman he loved. His brilliant inventions were stolen through deceit. Thirty years later, he awoke from hypersleep. Both hatred and love were left in the distant past. But sometimes, those who never give up manage to find a 'door into summer.' Even if it means returning to their own past...
The story of six-year-old Bobka, a kind and cheerful man who lives in Leningrad and desperately dreams of unexpectedly visiting his dad, who serves in the distant Caucasus Mountains. This is his most cherished dream, and it will certainly come true, but only after some adventures that are quite normal for this tomboy.
Journalist Mitchell Brown meets a tipsy woman at a bar and takes her to his house to spend the night because she is very drunk and cannot control herself. He looks for her documents, but finds only a checkbook with a strange number. The next morning the stranger disappears. Some time later, in the same bar, Mitchell meets her again in the company of a man who turns out to be her husband. She pretends not to recognize Mitchell. It turns out that there was a murder in the city that evening and she needs an alibi.
In Leningrad, at the end of the White Nights, young and childishly naive Nina meets a young journalist Valery. She falls in love with that genuine first love, which is only possible when you're 19 years old. She does not suspect that for such an ambitious aesthetic as Valerik, this is just another episode in an endless celebration of life. The leitmotif of the film, which became a cultural landmark for several generations of people born in Leningrad - St. Petersburg, is the natural scenery of the beautiful city on the Neva river at the beginning of the sixties.