Carola de día, Carola de noche (1969)

Carola is a princess in a land far far away that had to run away after revolution in her country. She goes to Spain and has to disguise herself to save her life, because the revolution wants her to die. But Carola doesn't like to be imprisoned and secretly goes out by night to find out how spaniards live. What she didn't expect, was that she would fall in love with a man she meets in a restaurant, a man who works in a cabaret where she decides to start working as a singer because money is running out.