Skynet sends a new breed of Terminator from the future to hunt down Dani Ramos, a little girl deemed a threat. Human-cyborg hybrid Grace is charged with protecting the target. Sarah Connor lends her expertise and knowledge to safeguard the child and her friends. She digs deep and uses every skill she has, but it is not enough. She must convince her old nemesis, Terminator T-800, to help save the child and the world.