Letty is the protagonist of La Fea Más Bella (The Most Beautiful Ugly Girl), and as the title suggests, she is not particularly good-looking. The story begins with her going to an interview at Conceptos, a famous Mexican modeling and advertising company, and being turned down for the job because of her appearance. The president of the company, Fernando Mendiola, however, calls her back. After receiving the job from an uncertain president, Letty tries to prove herself with the help of The Club of the Uglies or The Ugly Club (El Club de las Feas). She becomes Fernando's right hand, and soon develops a crush on him even though he is a womanizer and engaged to Marcia Villaroel. She is completely loyal to him and would do whatever he needed her to do. Fernando, knowing this, asks that she help him create a false company to put Conceptos in debt as opposed to the banks. Lety does as he asks, and this secret stays between her, Fernando, and the vice president, Omar Carvajal.
In order to keep up with the false company, Lety hires her best friend, Tomas Mora. Tomas is equally as ugly as she is, and they are like brother and sister. However, in order to keep her crush on Fernando a secret from her friends, she claims that Tomas is her secret crush. Fernando and Omar find out that Lety put Tomas in charge of finances of the false company, and then hear from her friends that she is in love with Tomas. Omar convinces Fernando that he needs to make Lety fall in love with him so that Lety won't hand over the company to Tomas out of love. Fernando begrudgingly agrees, but he feels guilt over tricking the person who always has his best interest at heart. Lety is completely surprised over the attention and affection that Fernando gives her, and although she is scared to love him she can't help it. Fernando feels like a disgrace because Lety is so good, and she gives herself to him. Though Fernando has been with plenty of women, he has never felt so loved and cared for her, and he
La fea más bella cuenta la historia de una secretaria poco agraciada que corre con la mala fortuna de enamorarse de su jefe, un hombre galán y millonario que tiene a miles de mujeres a sus pies, él poco a poco se dará cuenta que la belleza física sale sobrando si el amor verdadero invade su corazón, claro está que mientras él descubre esto pasan juntos un sin fin de aventuras que tienen que superar para que el amor por fin pueda triunfar.
A feia mais bela conta a história de uma secretária pouco agraciada de beleza que tem o infortúnio de se apaixonar por seu chefe, um homem bonito e milionário que tem milhares de mulheres a seus pés; ele vai perceber gradualmente que a beleza física não importa se o verdadeiro amor invadir seu coração, é claro, enquanto ele descobre isso, eles passam por um número infinito de aventuras que precisam superar para que o amor possa finalmente ter sucesso.
