Contrasangre: Daniel, Juan Palomino is a security guard, he was once a policeman, and he would have liked to be a vigilante hero. But, far from it, his job is to take care of the buildings of others. The city will cross with Analía (Emilia Attias), a distant woman, obsessive and beautiful in a mysterious way. She avoids contact with men because she has been the victim of rape. That terrible past comes back when Julio, Esteban Meloni, a violent and obsessed man, gets out of jail. Between the three are weaving on the streets of the city a plot of passion and crime.