The aging patriarch of an organized crime dynasty in postwar New York City transfers control of his clandestine empire to his reluctant youngest son.
The Godfather "Don" Vito Corleone is the head of the Corleone mafia family in New York. He is at the event of his daughters wedding. Michael, Vitos youngest son and a decorated WW II Marine is also present at the wedding. Michael seems to be uninterested in being a part of the family business. Vito is a powerful man, and is kind to all those who give him respect but is ruthless against those who do not. But when a powerful and treacherous rival wants to sell drugs and needs the Dons influence for the same, Vito refuses to do it. What follows is a clash between Vitos fading old values and the new ways which may cause Michael to do the thing he was most reluctant in doing and wage a mob war against all the other mafia families which could tear the Corleone family apart.
Michael, the young and idealistic son of Vito Corleone, the head of the most powerful Mafia clan in New York, returns home as a war hero and is determined to live his own life. But tragic circumstances make him face the legacy of his family.