This boa-constricting chiller chokes all the common sense out of its besieged characters but still manages to sneak in a few jolts. Somewhere in the Ural Mountains, rebels shoot down a plane transporting goods for a joint Russian-American scientific mission. After the cargo is shipped to a nearby military base, a Russian general orders technicians to open the biological weapon box. A 12-ton, 18-foot python slithers out and decimates the base in its feeding frenzy. CIA agent Greg Larson (Billy Zabka) answers Uncle Sam's call to corral the mega-python and assembles an elite squad of soldiers and snake wranglers. But he doesn't tell the whole truth to Yankee expatriate ...