Two girls, who used to be in love with the same man, are starting to get texts and other mysterious messages after his death, and the only person, who could’ve possibly sent them, is him. The messages from the gone man send two rivals to the south of the country, when they have two unravel the mystery of their mutual loved one, understand themselves and deal with their own past.

Kirill Ivanovich Shchelkin is not well-known among the most honored scientists of the Soviet Union. Meanwhile, Shchelkin was one of the main creators of atomic and hydrogen bombs, one of the founders of modern cosmonautics, three times a hero of Socialist labor, a man whom Igor Kurchatov called ‘The Godfather of the atomic bomb.’ The scientific research of Shchelkin and his colleagues, without exaggeration, saved the world from a third world war and ensured a peaceful life not only in Russia, but for all mankind.