The story of the film comes from a true event that happened in Ohio, USA. On May 15, 2001, on a railway line in northeastern Ohio, railway workers found a train with up to 47 carriages hanging behind the head of the train. It did not travel according to the scheduled plan, but rushed forward all the way. . This out-of-control train is not only huge and has many carriages, the most frightening thing is that two of the carriages are loaded with industrial waste and highly toxic substances. If these highly toxic substances are dumped locally and spread into the air or water, they will give Local residents are at risk of death, and it will cause long-term ecological pollution. In order to avoid a disaster, the train company adjusted the routes of other trains to avoid this "runaway" behemoth, and also sent experienced train drivers to drive a separate locomotive to follow behind it, and used iron cables to keep the locomotive behind. The out-of-control trains linked together, let the locomotive brakes slow the train in front, and then let a driver climb on the train in front, which brought it to a stop. The train company's explanation for the frantic train was that the driver suffered a heart attack and lost control of the train, while a police spokesman claimed that there was no driver on board when the train was stopped.
In terms of the overall plot, the movie "Dangerous Love Hour" did not adapt much to this event, but only dramatically exaggerated some details. For example, the train originally ran on a relatively remote route, but in the movie it turned into a densely populated living area; the industrial waste and toxic substances in the two carriages were multiplied by four in the movie, becoming a full eight Car-carrying, toxic and explosive chemicals, the explosive power will cover an area of 45 kilometers; the method of relying on a single locomotive to drag the tail back is too conservative for the film, so Denzel Washington wants to Driving the locomotive hooks the runaway train from behind, and then accelerates in the opposite direction; the way to board the runaway train is also more thrilling - being hoisted from a helicopter; if the train is stopped as narrowly as it is in reality, for the movie It was also unacceptable, so the director arranged for some of the carriages to explode, to control the damage and loss to a level that was neither heavy but exciting to the audience.
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