Rita tries to stop the mob from killing Mason. Good thing Moccasin dons the costume and distracts everyone. This is why a hero should always have a confidant, it really helps out. The villains plan another trap, and Rita falls for it, ignoring the common sense suggestion of her foreman. Sometimes serials strain credibility on occasion.
This time the villains are after the money the telegraph has stored. Smart idea. This fight occurs in the cave, hard to see in this copy. Zorro gets crushed! Next: Message of Death