The action thriller film 'Unstoppable' directed by Tony Scott is released to the public.
A runaway freight train with hazardous cargo begins moving uncontrollably through Pennsylvania.
Locomotive engineer Frank Barnes and conductor Will Colson learn about the runaway train and the danger it poses.
Frank and Will head out in a maintenance vehicle to locate and stop the runaway train before it reaches a populated area.
Railway control center declares an emergency and mobilizes efforts to stop the train, including alerting authorities and closing rail switches.
It is revealed that the runaway train is carrying toxic chemicals that pose a serious threat if leaked during a crash or derailment.
Frank and Will face multiple obstacles, including rough terrain and mechanical issues, while attempting to catch up to the train.
Frank and Will manage to board the runaway train and work together to bring it to a stop safely just before it reaches a busy urban area.
Authorities secure the train and repair damages to prevent future accidents, highlighting improved safety protocols.
