On a trip to Colombia, a group of college students encounter a fifty-foot boa constrictor, hungry for blood.
On its maiden run, the world's fastest bullet train is rigged with a bomb that will explode if it dips below 200 mph.
Russian operatives hijack a commercial American jet, planning to crash it into a nuclear power plant near Washington, D.C. resulting in fallout that will devastate the Eastern seaboard. With little time for Air Force fighters to shoot it down, the passengers and crew aboard the aircraft must rely on their own military and civilian training to stop the terrorists before it's too late.
