Could you give an unfaithful ex-boyfriend a second chance? And what if in doing so you lost the love of your life? Marga, a brilliant 30-year-old woman, watches her world teeter at the same time as she loses her job. What's more, Andrés, with whom she has shared more than a decade, leaves her for another woman. She is depressed, broken, it's difficult to accept that the person you love can replace you so quickly. But this will only be the start of a new life. If you want something to change, only you can make it happen. And so, encouraged by her friends, she decides to fight for one of her dreams, to be a writer. She starts writing her first novel just as she crosses paths with Óscar, an attractive lawyer with such magnetism that it causes a revolution inside her. With him she will have an affair that stems from the great sexual attraction between them and will discover the new woman she is becoming.