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