The Po Delta is the setting of the clash between fishermen and poachers. Osso wants to save the river from overfishing at the hands of the Florians, a family on the run from the Danube. The Florians have Elia with them, who is born in those lands. Overtaken by blind violence and thirst for vengeance, the two will confront each other in the Delta fogs, discovering their real nature in a fight that has no heroes.