Armando decides to hire Patricia and Betty as secretaries to the presidency and although Betty is given the storeroom as an office, Armando gives Betty the most important functions and Patricia the public relations except for his personal agenda, which infuriates Marcela.

During Betty's first parade for buyers, she messes up while trying to help Armando when she delivers a color chart requested by him, Betty crosses in the middle of the parade and falls off the stage.

Armando reiterates to Betty that the personal agenda cannot be given to anyone. Marcela arrives at the office to complain about having left Patricia out of his personal affairs, while they discuss 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 away, but Patricia has seen her and goes and tells Marcela about it, they try to take the agenda away from Betty while Armando has left, taking Karina with him.

Marcela asks Betty to give the position to Patricia, especially the agenda. Armando arrives and tears up the letter and fights with Marcela, thanks Betty for what she did and informs her that he no longer needs a probationary period because in one of those days the probationary period is over. Mario tries to convince Armando not to get married, he makes a computer program to find the ideal woman.

Marcela gives Armando a trial of his womanizing past and ends up seducing him, forgiving him and promising not to intervene in his business affairs. Román calls Betty to confirm the invitation to go out. After a decision with her father, she gets his permission. Betty waits to be picked up even though more than an hour has passed.

Betty cries disconsolately because she has been made again, she has been left in. Nicolás angrily complains to Román, who hits him with his fist. Hermes, Betty's father, arrives to complain to Betty about Román's move, and they end up punching him.

Betty prepares a secret job to surprise Armando and stand out at the meeting, Patricia overhears this conversation where Betty says this to her mother. Patricia plots something. Armando sits down with Betty to file the agenda.

Betty confronts Román and humiliates him. Patricia, helped by Marcela, asks Betty for the reports and Patricia delivers them as if they were hers, for which she is congratulated. Armando and Marcela doubt the need to have Betty if Patricia is capable of having such an efficient job, the Cartel invite Betty to lunch and tell her the gossip of the company.

The Ugly Cartel tells Betty the history of Ecomoda, its characters with the family gossip and the rivalries of Armando and Daniel. Daniel asks the board to review Armando's proposal because he considers it impossible to fulfill.

At the end of the meeting, they congratulate Patricia for the report, Betty confronts her, but Marcela intervenes and convinces Betty not to tell Armando that the report was hers. Ecomoda employees serenade Roberto as a farewell.

Armando asks Betty and Patricia to help him draw up the business plan but Betty very cleverly tells him that since Patricia did the report, she should do the project. Patricia angrily accepts and asks Mario to help her. Betty in turn asks Nicolás to help her to do the report.

Betty and Nicolás work on the project all night. Mario and Patricia prepare dinner and talk about love, when Patricia tries to put him to work Mario seduces her and they wake up in bed.

Betty spends all night doing Armando's work, but finds Armando furious that she is late. Patricia and Mario arrive late and without work. Betty doesn't get a chance to deliver the job to Armando. Hermes arrives at Ecomoda to talk to Armando.

Betty, very frightened, tries to stop Hermes from fighting with Armando; meanwhile, Armando, furious, admits to Marcela that Betty is no good to him and that he is going to fire her. Armando fires Betty without giving her a chance to deliver the work she did for him.

When Betty says goodbye, she gives him the report and he is surprised and fascinated, hugs Betty and sits down with Mario to review it. Patricia tells Marcela about the wonderful night she spent with Mario and the possibilities she has of getting married.

Marcela and Patricia are very frustrated to learn that Betty was not fired, but that she made the business plan that Armando and Mario are very happy with. Mario tries to evade Patricia.

Daniel warns Olarte that from now on he has to watch out for Betty and any moves she makes.

Betty is convinced that the love of her life is Armando after Mariana reads her the cards. Armando announces to everyone that Betty is going to be in charge of the financial part, over Olarte. Patricia seeks an alliance with Olarte to fight Betty.

Patricia, to make Mario jealous, makes Marcela arrange a date with her brother Daniel Valencia, which ends up being a failure, because of Daniel's contempt for her. Aura María invites Betty to go out with some friends.

Betty goes out with Aura María and her friends to a discotheque, where both Betty and Aura María's friend are bored, as the guy is disappointed that Betty is not the woman he expected. Betty is terrified of Aura María's behavior with her friend.

Betty lies to her parents. Julia, her mother, is happy, convinced that Betty has met someone. Armando delegates to Betty the management of relations with the Bank, overruling Olarte.

Armando thanks Betty for everything she has done for him, and she takes it as a declaration of love. There is a time passage of a few months. Betty interrupts a racetrack at the club to get Armando to sign a promissory note for the disbursement of a loan. Marcela is shocked to see that Armando does not scold her but rather congratulates her for doing what she did.

Despite Marcela's fury, Armando asks Betty to stay and join them for lunch with the executives of RAG-TELA, a textile company, and again Betty saves the business. Armando appoints her as Assistant to the President. Betty cries with emotion.

Betty tells her friends that Armando appointed her as assistant to the president and they go to celebrate in the bathroom, but they are interrupted by Patricia who attacks them; they defend themselves and Patricia tells Marcela. Marcela enters to tell Armando what happened.