It portrays the fishing crisis on the Paraná River and its impact on the lives of fishermen. The film reveals how the extinction of the fishery leads to a loss of quality of life for the inhabitants. Focusing on the testimonies of the last artisanal fishermen on the second most important river in South America, the documentary was made based on detailed research into the causes of depredation and its effects on coastal communities. It includes the participation of riverside residents.

The Mapuche community of Pillán Mahuiza is fighting to recover the lands that were stolen from them. This place is currently threatened by the planned construction of a dam system in the Carrenleufú River basin. Allowing a cement wall to be built in the middle of this source of life is a disastrous act of the Mapuche identity.