The Godfather (1972)

It is about the epic story of an Italian mafia family in the America of the 40s and 50s. At the wedding of Don Corleone's daughter Connie, Michael, the youngest son in the family and a war veteran, reconciles with his father. When an assassination attempt puts Don in a situation where he can no longer run business, Michael and his brother Sonny take over the family. With the help of their advisor, Tom Hagen, the Corleone family begins to change the old-fashioned way.