The store clerk, Arlo (played by Cuba Gooding Jr.), is simply trying to make ends meet when he is unexpectedly thrown into a life or death situation. The ice cream truck driver, Tim (played by Skeet Ulrich), is a reckless and impulsive guy who sees an opportunity for adventure.
The dying scientist, Dr. Richard Long (played by David Paymer), was working on a top-secret military project when he became ill and realized he didn't have much time left. He entrusts his precious cargo, the Elvis chemical, to Arlo and Tim, two strangers who are now bound together by this deadly substance.
As they flee from the terrorists who are hot on their trail, Arlo and Tim must learn to work together and rely on their wits and instincts to survive. Along the way, they encounter various obstacles and challenges, including a harrowing encounter with a speeding train.
As the stakes get higher and the danger intensifies, Arlo and Tim begin to form a bond and work as a team. They start to realize that they are not just fighting for their own survival, but for the safety of the entire country.
In a thrilling climax, Arlo and Tim deliver the Elvis chemical to the military base just in time to prevent a catastrophic disaster. Along the way, they discover a newfound respect for each other, and the unlikely duo becomes lifelong friends.