When Hugh Blaine bets $50,000 that all four hooves of a racehorse are off the ground at once, he agrees to pay Bat 10% of the bet to supply proof. Bat hires a man to take photographs of the trotter in action, but the pictures are stolen.

Bat and his partners fleece an unscrupulous businessman out of half the profits in a gold mine. He exacts revenge by buying up the timber they need to shore up the mine walls, then tries to kill the men with an explosion in the mine.