Set in the late ‘90s, in the height of the privatizations and the increase in poverty, Postman closely follows Hernán, a young man full of illusions that gets a job at the Central Post Office. There, a colleague teaches him the codes of the trade, but the harsh reality will force him to break them.

A correspondent in a media outlet aligned with Latin American dictatorships writes a report that provokes the kidnapping of an exiled doctor. As he writes the chronicles of the event for its cover-up, he is haunted by his own ghosts, so he moves to the catacombs where intelligence operates.