Anna Modigliani in her life is a stripper at the Chicago, a nightclub in Milan, with the name of Nina Monamour. Anna-Nina is a beautiful, simple girl, who finds herself having to do a second job to help her reckless boyfriend, an inveterate gambler, to take over the place that has ended up in the hands of a loan shark. As a nice seductress, Anna improvises herself as a nanny for the children of a very rich man.