Petropolis.

The film takes place in Russia, America and Japan. The main character Vladimir Ognev is the son of a family of immigrants from Russia. in the early 2000s, he lives and studies in the USA. he has a brilliant scientific career and a happy personal life. after defending his dissertation, Vladimir receives an offer from the UN special department to study the scenario: how will humanity react if it finds out that an alien civilization exists and has been in constant contact with us for many years? over time, Vladimir realizes that this scenario is not as fantastic as it seems. now the future of the earth depends on his work.