Characters from different backgrounds are thrown together when the plane they're travelling on crashes into the Pacific Ocean. A nightmare fight for survival ensues with the air supply running out and dangers creeping in from all sides.

More than two decades after the events of Terminator 2: Judgment Day, Sarah Connor sets out to protect a young woman named Dani Ramos and her friends, as a liquid metal Terminator, sent from the future, attempts to terminate them.