Masha Krapivina, an ordinary girl, left her native province to conquer Moscow. In the evening she studies and during the day she works as a cleaning lady in a rich family. Masha is madly in love with singer Aleksey Korolevitch. One day, Masha learns that the singer is going to perform at a private party. Masha absolutely wants to be present at this party. But how to do it. Fortunately a good fairy, in the form of her aunt Agnia will help her...