The movie tells about the life of Soviet scientists. Professor Dobrotvorsky, together with his colleague Losev, is on his way to completing a scientific work of great importance in medicine. Professor Dobrotvorsky's friend Academician Vereisky learns from a foreign journal that important data about this work has fallen into the hands of American businessmen.
Nikolai Annenkov
Georgi Chernovolenko
Boris Chirkov
Konstantin Khokhlov
Vasili Makarov
