Mr. Mooney has made a bad investment in a "fat farm", and promises Lucy and Rosie money if they will take the weight-reducing course for publicity. Lucy and the Countess volunteer to attend to generate the needed publicity.
In no time, the brutal regimen has the two starving for food and will stop and nothing to get it and they begin plotting an escape. The girls hate the regimen, and almost ruin everything for Mooney.