Frank James resents and tries to stop a ruthless drifter who has adopted the name of his dead brother in order to duplicate his crimes.

Susan Hart, assistant to private detective Russ Ashton, is given a camera concealed in a hat box and assigned to take a picture of a woman. A gun is accidentally hidden in the box and the woman is killed. Susan is charged with murder, but Russ and his less-than-useful associate, Harvard, get on the case.

A man escorts a wagon load of Kentucky rifles through Indian territory and must find a way to get through without losing the rifles to the Indians. Unfortunately the Indians know about it, and give the occupants an ultimatum: either the rifles or their lives.