Thanks to some funny and unexpected circumstances, ordinary girl Lisa from a Moscow suburb finds herself in the home of wealthy owner of the trendy magazine "Cabriolet," Garik. He lives in an apartment on Old Arbat Street, which he inherited from his famous conductor father. Garik hires Lisa as a house assistant. Entrepreneur's step-sister Zhenya, who works in the show business industry, decides to help the girl from the outskirts and transform her into a "social lioness."