1989 film by Zinoviy Royzman

Musician Stefan meets a young attractive woman Lidia. Stefan is going on tour to Austria, and Lydia, "accidentally" remembering her Viennese acquaintance, asks to give her a souvenir from Moldova. In Vienna, Stefan is met by people who are well aware of his private life and even familiar with his diary. The musician begins to suspect something is wrong, but when his daughter's well-being is threatened, Stefan becomes truly worried...

While doing their work on the deep underwater station two aquanauts discover strange mystery: it seems as if one of the aquanaut's girlfriend who recently died in a car crash had turned into a big manta fish. That manta writes words on the station's port-holes and tries to draw attention many other ways.

After a botched surgery a rookie doctor takes a job in a meteorological station in the Arctic Circle.