Just out of jail and vowing to go straight, former jewel thief Boston Blackie, undertakes the reformation of a pretty blonde who has stolen a necklace from a cabaret dancer. He learns that the jewel belongs to the mother of the blonde girl, and the blonde's philandering father gave it as a gift to the cabaret girl. Now, Blackie must find a way to return the necklace to the owner's safe without arousing the suspicions of the girl's family.

When silver is found in Virginia City, Lawyer John Storm leads a group from Indiana west. He soon has to defend them all in court against a company that is after their claims. Fighting a crooked Judge, he gets a mis-trial by telling how much each of the jurors was bribed. Then he gets the Governor to appoint a new Judge. But just as the retrial opens, the Judge learns his daughter has been kidnaped.