A waste disposal company has a Russian nuclear bomb to transport, and an employee decides to save money by concealing it on a freight train. The train, also loaded with hazardous and flammable chemicals, suffers a brake failure and Trouble arises when an employee of a waste disposal company decides to transport a Russian nuclear bomb on a freight train that is also carrying hazardous and flammable chemicals. When the train suffers a brake failure, it's a race against time to stop the train as it speeds towards Denver.