What is the ending of grand theft auto v story mode?

The Wikipedia excerpt provided discusses Grand Theft Auto Online, which is the multiplayer component of Grand Theft Auto V. It details the game's release history across different platforms and describes its open-world environment set in San Andreas and Los Santos. However, the source does not mention or describe the narrative conclusion of Grand Theft Auto V's single-player story mode. The evidence is limited to the online multiplayer experience and does not address plot details, character arcs, or endings from the main campaign featuring protagonists like Michael, Franklin, and Trevor. For information about the story mode's ending, a different source covering the single-player campaign would be required.