In this drama set in the province of Corrientes, the chief inspector tries to resolve criminal cases.

The focus of this moving film is the relationship, emotional and psychological, between two sisters and it is based on a true story. The details of the personalities of the two main characters and their development parallels the personal history of the Ensslin sisters: Gudrun (Marianne in the film) was imprisoned as a terrorist in the Stammheim prison, where she died, supposedly a suicide, in the Fall of 1977 ; Christiane (Julianne in the film) worked for sometime as an editor of a women's magazine, "Emma", and was determined to prove that her sister did not kill herself.