Mariana is a beautiful 43 year-old woman and a successful architect. Julian is a photographer who is starting to establish a name in his field. They have two teenage children: Luis Maria and Bibiana and could be considered as the perfect couple. One Wednesday, Mariana wakes up to the realization that her life is a boring repetition of pre-established models. But the unknown awaits just around the corner, the possibility of an affair that might just save her marriage.