
In Hidalgo, a young woman from Cuba crosses the bridge in the hope of being granted political asylum in America while officers in Laredo get a surprise when they stop three biology students carrying something unusual in the boot of their car. Meanwhile, a new recruit is responsible for one of the biggest drug busts the Juarez Lincoln Bridge has ever witnessed.
A shipment of cardboard packaging hides a deadly secret. Heroin disguised as a computer laptop baffles the world's most advanced narcotic detection device. The diligence of agriculture specialists pays off and saves America's forestry from a potentially devastating insect infestation.