As Matt escorts a wounded prisoner to Ft. Union, his camp is invaded by a thieving young boy, whom Matt takes into custody. In Dodge City the journey to Ft. Union is joined by two women, one pregnant traveling to see her husband, the other secretly the wife of the prisoner. A trio of outlaws waits on the trail to kill Matt and rescue the prisoner.

Dr. Herman Schultz, a longtime friend of Doc Adams comes to Dodge City to experiment with Mesmerization (hypnotism) as a medical procedure. However, his motives seem to be less noble.