In a desperate move to protect his family, Michael officially retires and names , on the condition that Vincent ends his romantic relationship with Michael’s daughter, Mary.
Michael’s health begins to fail; he suffers from severe diabetes and a mounting sense of isolation. His ex-wife, Kay, remains distant, and his son, Anthony, refuses to join the family business, choosing instead to become an opera singer. The Tragic Conclusion in Sicily
The story of The Godfather Part III (1990) serves as the final chapter in the Corleone saga, focusing on an aging Michael Corleone’s desperate attempt to legitimize his family’s interests and find redemption for his past sins. The Quest for Legitimacy