The story of serves as a direct sequel to Terminator 2: Judgment Day , ignoring all intervening sequels. The Setup: A New Timeline

Twenty-two years later in Mexico City, a young factory worker named becomes the target of a Rev-9 , a highly advanced Terminator sent from a different future by a new AI called Legion . Unlike Skynet, Legion was created for cyberwarfare and triggered its own nuclear apocalypse.

The film opens in , three years after Sarah Connor prevented Judgment Day. Despite their victory, a T-800 Terminator—one of several sent by Skynet before its erasure—locates Sarah and her son, John Connor , in Guatemala and successfully assassinates John . 2020: The Hunt for Dani Ramos

The group traces the source of these messages to Laredo, Texas, where they find the . Left without a mission after Skynet's erasure, the machine—now calling itself " Carl "—developed a conscience, integrated into human society, and started a family. Seeking redemption, Carl had been sending Sarah the coordinates of arriving Terminators. The Final Stand