Sis is the maid in the Higgins home, adjoining that of Prof. Doolittle, a physical culture specialist. Sis takes up the study of "fysical culture" with disastrous results, for her throwing out of the medicine ball renders the Doolittle maid a subject for hospital treatment. Sis is then loaned to the Professor's establishment.

Through his mirror vocograph The Wolf learns that Marguerite is carrying the codebook with her to a reception at the home of Col. West. The Wolf and his confederate there make a strenuous effort to secure the valued book but they are frustrated by Fred Randall, Marguerite's sweetheart, and all ends well when the soldiers of the fort pursuing. The Wolf engages in a skirmish in which the international crook is killed and his confederate captured.

Directed by Robert Ellis.

As heiress to a large fortune, Marguerite is able to satisfy her love for beautiful clothes and a taste for adventure, while confronted by a multitude of schemers and gangsters bent on reducing her to poverty.