Diego and Simon, research scientists investigating the murder of Diego's wife Valentina while she is investigating an environmental disaster in Corrientes.

On a mission to expose environmental crimes in the rural areas of Northern Argentina, idealistic scientist Valentina travels to the swamp town of Corrientes to test the local water supply. Relying on remote support from her student Nina, who's analyzing the data from her potentially contaminated samples, Valentina embarks on a quest into the dangerous Iberá wetlands.—Ulf Kjell Gür