Zabette de Chauvalons leaves a convent in Brussels to join her father on the island of Martinique, escorted by Père Bénédict. In St. Pierre she finds that her father has died; his widow, who rules the island's French society, believes Zabette to be the child of a beautiful quadroon with whom Zabette's father left for France; when Zabette is sent to the mulatto quarter, Stéphane Séquineau is present and takes an interest in her. Destitute, Zabette is forced to auction off her Paris fashions, and though Quembo, a cunning quadroon, is the highest bidder, Stéphane outbids him at the last minute and professes his love, which she accepts, believing herself to be une fille de couleur; however, his older brother, Maurice, insinuating that a mixed marriage would ruin him, persuades her to desist.
Lightning Bill Lewis sets out to capture Gómez, the leader of a ruthless gang that has been tormenting a border town. He prevents Gómez from kidnapping his girl, Mary, but Gómez escapes. With the aid of Captain Duerta, Lightning Bill pursues the gang, and when it is captured by Mexican soldiers he is free to marry.
Bill Merritt and his pal, Chewin' Charlie, notice a touring car passing them on the road. Soon the car stops, and the party sets out after a jackrabbit wanted by an elderly lady in the car. Bill, realizing the brakes have slipped on a downgrade, rescues the runaway car and its occupant, Mrs. Gordon, and wins the lady's admiration. Invited to the hotel of millionaire mine owner Andrew Gordon, Bill becomes interested in his daughter, Cleo, but is told that the man who aspires to be her husband must possess wealth. That night Bill overhears a plot to take over a strip of land between Gordon's mine and that of his enemy Tom Middleton; Bill and Charlie set out to stake their claim, and after subduing "Fraction" Jack, they register the claim. Bill persuades Gordon to buy out his claim and saves Charlie from claim jumpers.
