Yo soy Betty, la fea

Betty arrives at Ecomoda for an interview for the position of presidential secretary with a brilliant resume, but finds that there is a candidate with a better chance than her.

Armando decides to hire Patricia and Betty as presidential secretaries and even though Betty is given the warehouse room as an office, Armando gives Betty the most important duties and Patricia the responsibility of public relations except for her personal agenda, which infuriates Marcela.

During Betty's first buyers' parade, she makes a mess when she tries to help Armando when he gives her a color chart he's requested, Betty gets in the way of the parade and falls off the stage.

Armando reiterates to Betty that the personal planner cannot be given to anyone. Marcela arrives at the office to complain about him leaving Patricia out of his personal affairs. While they argue about fidelity, Karina Larson, one of the models with whom he had a relationship, arrives. Betty tries to get her out of the company.

Betty tries to hide Karina's presence in Ecomoda, she makes Armando take her, but Patricia has seen her and goes and tells Marcela. They try to take Betty's agenda while Armando has left taking Karina.

Marcela asks Betty to hand over the position to Patricia, especially the diary. Armando arrives and tears up the letter and argues with Marcela. He thanks Betty for what she did and tells her that she no longer needs a probationary period because the probationary period will expire in one of these days. Mario tries to convince Armando not to get married, creating a computer program for him to find the ideal woman.