Pirates On Horseback 1941
When miner Ben Pendleton strikes it rich, Ace Gibson has him killed but his
men are unable to locate his mine. When California learns his cousin Ben
has been murdered he gets Hoppy and Lucky to help investigate. Hoppy finds
the clue left by Ben and finally solves the riddle and locates the mine.
But just as they find the gold, Gibson’s men arrive and make them
prisoners. Written by Maurice VanAuken