Once a waitress, Sarah Connor finds herself chased by Cyberdyne Systems T-800 Model 101 Terminator (who is played by Arnold Schwarzenegger). Sarah Connor is thrown into confusion because she has no idea why she is being pursued. Kyle Reese, played by Michael Biehn, rescues her and tells her of the future. He tells her how Skynet was created by software developers from the military to make strategic decision, but that the AI become self-aware and took control of the United State’s military machines and attempted to wipe out the human race. A man named John Connor lead the Tech-Com resistance to victory, but Skynet had send a Terminator back in time to kill Sarah Connor, John Connor’s mother. John Connor sends a friend, Reese, back in time to stop the Terminator, who becomes John’s own father. Reese died fighting the Terminator, but John Connor was conceived.

[from sarahconnorchronicles.org]