A crime saga that tells the story of New York's Sicilian Corleone Mafia family. The film covers the period 1945-1955.
The head of the family, Don Vito Corleone, marries off his daughter. At this time his beloved son Michael returns from World War II. Michael, a war hero and the pride of the family, expresses no desire to take over the brutal family business. Don Corleone is running his business according to the old rules, but different times have come and there are people who want to change the established order. An attempt is made on Don Corleone's life.