Border Incident plot
"The Shame of Two Nations!"
Every year, many illegal Mexicans are killed when they return to their own country for the money earned from the harvest. Pablo Rodriguez, a Mexican detective, allows himself to be transferred across the border with some illegal immigrants. His American colleague Jack Bearnes also goes undercover. However, he is unmasked and immediately killed by Owen Parkson, who with his partner Jeff Amboy already has many Mexicans on his conscience. Then he discovers that Pablo is also part of the plot. He sends him with a fellow sufferer into the canyon where so many illegal immigrants have already been killed...