Matias and Laura go to  Plaza de Mayo (Buenos Aires), to visit the Grandmothers' office. Laura is afraid as Matias wants to investigate  his true procedence. He thinks he was adopted. In nowadays Buenos Aires, a suspicion like this is a heavy load to carry, since it is intrinsically related to your parents position during the military regime. They have an interview with Alejandro, a psychologist who guides people who are in the same situations. The experience is hard, especially for Laura. But it may be the only way to discover her true identity.