Early 70s environmentalist drama centers on a tension between the love a professor's daughter feels for an industrialist whose scheme risks pollution of Lake Baikal, and her father's devotion toward preservation of natural beauty.
A Russian crook steals a giant diamond from the Mafia, hides it, and suddenly runs into his unknown brothers; unexpected, absurd events with participation of mob, doctors, musicians, Americans, militia, and gypsies ensue.