Keenan Wynn (1916 – 1986) was an American character actor. His bristling mustache and expressive face were his stock in trade, and though he rarely had a lead role, he got prominent billing in most of his movie and TV parts.
A widow whose land and life are in danger as the railroad is getting closer and closer to taking them over. A mysterious harmonica player joins forces with a desperado to protect the woman and her land.
When a car bomb explodes on the American side of the U.S./Mexico border, Mexican drug enforcement agent Miguel Vargas begins his investigation, along with American police captain Hank Quinlan. When Vargas begins to suspect that Quinlan and his shady partner, Menzies, are planting evidence to frame an innocent man, his investigations into their possible corruption quickly put himself and his new bride, Susie, in jeopardy.