A crime ring is smuggling gold from Mexico across the border in the US. The Customs Service sends an agent to Mexico to try to infiltrate the ring and stop the smuggling.
A greedy businessman tries to block the building of a new railroad in his area.
Agatha has fond memories of her romance with college president Dr. James Merrill, when she was a student and he was her professor, and wants to see if there is still a spark between them.
