Officers are suspicious when an elderly couple arrive from Mexico with five suitcases but no clothes. Later, officers help a woman and her child fleeing cartel violence in Central America.
Officers are on high alert as they transfer a hitman over a border bridge and into the custody of the Mexico military. Then, a random inspection of a pick-up truck reveals 32 kilos of narcotics.
Officers process an American citizen who crossed over the bridge 20 years ago and discover the reason he didn't want to come back. Then, a truck's modified cab attracts the attention of officers.