In a downtown building, old and beautiful, of the turbulent Buenos Aires, stories of men and women who keep secrets behind solid walls are intertwined. For Lucy, it is the secret price for freedom; for the Ukrainian immigrant and the Tucuman teenager, it is a refuge; for Lorenzo, it is debauchery; for Gaby and Mariano, disagreement; for Mónica and Sergio, the promise of new life. The stories are intertwined. No one is the same after opening the door to their most intimate desire

Clara, a psychologist, and her husband Gustavo have been separated since the disappearance of their son, Lucas. A year after Lucas' disappearance, Gustavo finds on Facebook information about a girl, Augustina, who went missing just two days after Lucas. The broken couple go Augustina's parents in an attempt to find clues about their sons disappearance.

Adrián is locating himself in the city when he finds out about the death of his friend Francisco. In the town where they grew up together, nothing seems to have changed, especially the friendship with El Chino and Gustavo. They work for the local mobster, but Rafael also left and returns as a beautiful transvestite.