The Structure of Crystal (1969)

Two talented physicists used to work together in the frontline of academy in scientific discovery. One of them, Jan, gave everything up and went to a small, snowy village, to become a metereologist. The other one, Marek, who had a famous scientific career, doesn't understand why Jan is wasting his potential living a simple life, and tries to get him back to the big city. Clash of two attitudes, characters, ideas about the meaning of existence.