What is the ending of The Godfather?

The ending of "The Godfather" is described as follows: The wife, Kay, comes to Michael Corleone and asks about his involvement in a crime. Michael lies to her, denying his involvement. After she thanks him and leaves, Michael is seen being treated with reverence as the new Godfather, with people kissing his hands. The film concludes with a powerful image of the door closing on Kay, symbolically shutting her out of this part of Michael's life, emphasizing the complete transformation of Michael into the Godfather 1.