Foxy entertainer Loly Montes—instant target for the Abstentionist crones—and her French aristocratic partner, dwarf painter Eugene, were duped into buying an exhausted gold mine. their nasty cat becomes the object of Rantanplan's desire. Lola sets up a debauchery show in the saloon, Eugene tries to sell o the mine, only to be duped again by a crook who aims at robing the whole town. Lucky Luke must set everything straight.
