The peddler and inventor Doctor Henry Wayne presents the pueblo varied unusual products, such as a vacuum-cleaner. The alcalde has only one commission for him: a trap to catch Zorro. Diego, whose failed Montgolfier-balloon amuses Felipe, pretends to help but doesn't, so Wayne sets his traps with the alcalde, who provides the right bate: the supposed execution of senorita Victoria Escalante. When Zorro manages to catch them in their own trap, the alcalde gives Wayne a last change, finding the fox's hide-out