In the series of photographs gathered for the book El infarto del alma (Heart attack of the soul), Paz Errázuriz reveals the relationships and affections of the couples. The portraits, taken at the psychiatric hospital in Putaendo, illustrate poor people, rejected by society. However, among them, one can see proximity, closeness, and feelings. Together with Diamela Eltit, who writes about the scenario, Paz goes through the institution's corridors and parks. "In The middle of the road, Paz Errázuriz and I reached the limit, where we had to face the disjunctive of having to cross the borders continuously. ". Frontiers of separation, isolation, and madness; the isolation from the outside world that prefers not to look, not to know. The photographs put us in contact with the unknown grammar of love. How are the relationships in this confined space?