The film is named after the protagonist Francisco Black aka "Paco" (Tomás Fonzi), a college student who starts using cocaine paste, a cocaine byproduct known as "paco".
Lala, fille de bonne famille dans la banlieue cossue de Buenos Aires, est follement amoureuse de La Guayi, jeune et jolie paraguayenne au service de ses parents. Ensemble, elles rêvent de partir dans le village d'origine de Guayi, au bord du lac Ypoà. Mais un drame familial va brusquement les séparer...
Animal experimentation footage is shown, followed by a video of a man dismembering a female body in a bathtub. It is implied that the man masturbates after the corpse has been sufficiently mutilated. Next, someone browses an extreme porn website, and clicks on the link for "Snuff Fantasy". Images of animals and people (mostly women) being tortured and killed clutter the screen, followed by a video of a pig being stabbed in the throat. A man asks "Until what point are you willing to watch? In other words, what do you want to watch?" A bound, bloodied and crying woman in her undergarments is shown in a washroom. She gets up, moves the shower's curtain, and screams as the door is flung open.
On an island in the Paraná Delta of Argentina, Álvaro (Román) works as a fisherman and a reed cutter. His homosexuality and love of books make him an outsider in the small village. The brutish El Turu (Valenzuela) captains La León, the town ferry. He views Álvaro as a threat, bullying him almost constantly. However, as the film progresses, El Turu's hidden attraction to Álvaro becomes obvious.
Mabel (Sofía Gala) is raped in the chapel of the shantytown where she lives and then she becomes a clown and a prostitute. Martín (Guillermo Pfening) is a lawyer who has recently separated from his wife and left his father's law firm. They meet and eventually fall in love, but soon after Mabel discovers she is a HIV virus carrier.
Rubén (Chávez) is excellent in his job, but in the midst of an existentialist crisis, he begins to suffer from the emptiness of his life - having sworn to protect Artemio (Núñez), a man who barely acknowledges his presence or merit; a man with whom, in fact, has little dialogue or contact throughout the movie, even when they share the screen most of the time.
Tati Benitez (Ignacio Benitez), is a young man who lives in the Misiones Province, and an Argentine lumberjack who's been laid off at work, now making a living by collecting wood for an artisan named Silva (Miguel Gonzales Colman). Benitez is married to his pregnant wife (Paola Rotela).
Thirty-four-year-old Goyo, a former open water swimming champion, has been hiding out in the desert. Wrongly accused of doping in the Santa Fe-Coronda Marathon, a 57 kilometer river swim, he has abandoned his career and his dreams.
The film tells of Alfredo Díaz (Luis Luque) a cop who falls in depression after discovering that his wife has been cheating on him. Mariano Silverstein (Diego Peretti), a psychologist, tries to help Alfredo deal with his problem.
In neo-noir fashion El Aura narrates in the first person the hallucinating voyage of Espinoza, a quiet, cynical taxidermist, who suffers epilepsy attacks, and is obsessed with committing the perfect crime.
After the fall of the military dictatorship in 1983, successive democratic governments launched a series of reforms purporting to turn Argentina into the world's most liberal and prosperous economy. Less than twenty years later, the Argentinians have lost literally everything: major national companies have been sold well below value to foreign corporations; the proceeds of privatizations have been diverted into the pockets of corrupt officials; revised labour laws have taken away all rights from employees; in a country that is traditionally an important exporter of foodstuffs, malnutrition is widespread; millions of people are unemployed and sinking into poverty; and their savings have disappeared in a final banking collapse.
Coco (Juan Villegas), the main character, is first seen trying to sell knives to a group of oil workers. He is a skilled craftsman, but the knives are too expensive for them. In fact, throughout the entire film, he never manages to sell a single knife, but he ends up giving two away: one to a security guard as a bribe, and one to a cabaret singer he meets on his journey.
The episodes in the life of a Jewish family in the Once neighborhood of Buenos Aires and the other shopkeepers in a low-rent commercial gallery are depicted in the story.
This black comedy is about average people who live in González Catán, a working-class suburb southwest of Buenos Aires, and are having a hard time making a living.