Manual Para Ser Feliz

Story of love between Marimar and Sergio. Sergio is from a wealthy family, and Marimar lives with her poor grandparents in a hut in front of the ocean.

Leticia Padilla Solís, “Leti”, is an intelligent but unattractive girl, rather ugly. She graduated with honors in economics, speaks several languages, is fluent in computers, and is a financial genius. Only, because of his physique, she can't find work. Desperate to find a job, “Lety” decides to accept being hired below her level and takes a job as a secretary at Conceptos, a famous video production company, where ugliness is taboo. The production company “Conceptos” was founded by two good friends: Don Humberto Mendiola, and Julián Villaroel. Unfortunately, shortly after, the Villaroels die in an accident and Don Humberto and his wife Teresita take care of the Villaroels' orphaned children: Ariel, Marcia and Ana Leticia and the successful company.

Fernando Lascurain is a wealthy businessman and recent widower, attempting to raise his seven unruly children. He seeks the assistance of a new nanny. He hires and falls in love with Ana Leal, a struggling exotic dancer who tries to hide her double life. Although Ana lacks experience and a refined education, she quickly bonds with the Lascurain children. Ana dreams of being a mother, but when her home is destroyed following an accident, she must borrow money from her ruthless boss at "Chicago", the night club where she is secretly employed. When Fernando simultaneously falls for Ana and Isabela, an economist and sophisticated woman who is trained by her mother to marry a millionaire, he must choose between both women.

A modern-day Cinderella loses her prince on her wedding day and flees to the capital to live with her gay uncle under a new identity. She gives birth to a son conceived with her ex-boyfriend and begins writing a column that becomes a hit.

Renata, an energetic woman, is treated cruelly by her mother and sister. Falling in love with Jerónimo changes her life for the better, but his misguided quest to avenge his brother's death jeopardizes their relationship.

Victoria's life is perfect. She is a famous designer, mother of two and the wife of an actor. But she suffers the absence of her daughter Maria, who was separated from her when she was a little girl.

Reina Ortiz will suffer an accident that will cause her to forget the last eight years of her life, in which she became the wife of tycoon Victor de Rosas, Clara's mother and the owner of the most famous bridal atelier in Las Vegas. She doesn’t even remember the happiest moment of her life; when she fell in love with Nicolas Nuñez. Now Reina, who feels she doesn’t belong to this world of luxury and power, will strive to discover her own truth. Meanwhile, Nicolas is working for the secret service under a new identity as Javier Bolivar, is seeking revenge after Estefania Perez made him believe Reina and Victor were responsible for his unjust imprisonment. Entangled in secrets, tricks and deceptions in a double life of gamble under the framework of gold and precious stones trafficking, Nicolas and Reina will fight for the only thing they cannot leave to chance, their love.

When Refugio and her three sons—Patricio, Edmundo, and Ignacio—are forced out of their home, a twist of fate brings them to Mexico City, where they begin a new life. Eighteen years later, they are settled in a small apartment in a working-class neighborhood. Refugio holds a modest job; although she suffers from serious vision problems, she neglects her own health to attend to her sons' needs. Patricio is studying law and dreams of a comfortable, prosperous future; his mother admires him for his charitable nature. Meanwhile, Edmundo begins courting Lucero—unintentionally hurting Ignacio, who secretly loved her—while Refugio tries in vain to make Patricio understand that he will never be happy with Olga.

Tony had a perfect life. But after his wife Lisa suddenly dies, Tony changes. After contemplating taking his own life, he decides instead to live long enough to punish the world by saying and doing whatever he likes from now on.

María Mercedes, a poor girl who sells lottery tickets, meets a rich man who hates his own family and sees in María Mercedes an opportunity to make their lives miserable.