The film tells the story of a young girl who secretly becomes an actress behind her brother's back. Mehmet runs a coffee house in one of Istanbul's suburbs. Mehmet, who is engaged to Ayşe, the daughter of grocer Hatice, cannot manage to come up with the required dowry. Mehmet's mother, Fatma, works as a seamstress at a theater. Mehmet's sister, Zeynep, decides to help her brother collect the dowry. To do so, she starts working at the theater with her mother. At that time, a big musical is being performed at the theater. Shortly before the musical, starring Erol and Meral, is set to premiere, Meral announces that she is leaving the show. Erol and the theater owners listen to Zeynep's voice and like it. As a result, they decide to cast Zeynep in the lead role. However, this situation must be kept secret from Mehmet.