Set after the events in Terminator 2: Judgment Day (1991), Sarah Connor and her son, John, try to stay under-the-radar from the government, as they plot to destroy the computer network, Skynet, in hopes of preventing Armageddon.
Set 30 years after Dr. Sam Beckett stepped into the Quantum Leap accelerator and vanished, follows a new team that must restart the project hoping to understand the mysteries behind the machine and its creator.