A beautiful young girl named Rosa Delvalle who lives a simple life with her aunt Mona Alcantara in a slum area but is always mistreated by her aunt. Rosa gained scholarship into a big private University "Arabella University"there she meets a girl named Rosita Acosta a Mean girl,at first sight she already hate Rosa because she is more beautiful and brilliant than she is and also because a famous, handsome musician named David Torillo she has a crush on likes Rosa most especially the love and attention Rosa gets from her parents. Rosita and her friends make Rosa's life miserable in the school but David always come to her rescue. And the biggest blow of their life that will change Rosa and Rosita life for good is when the truth finally unveils that they are "Twins"